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[Search a list of Patent Appplications for class 180]  Class   180MOTOR VEHICLES
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[List of Patents for class 180 subclass 164]  164           WITH POWERED MEANS FOR CREATING FLUID FORCE TO ATTRACT VEHICLE TO SURFACE OF TRAVEL
[List of Patents for class 180 subclass 116]  116           SURFACE EFFECT VEHICLES (I.E., GROUND EFFECT MACHINES)
[List of Patents for class 180 subclass 117]  117           Subclass 117 indent level is 1 Having propulsion or control means
[List of Patents for class 180 subclass 118]  118           Subclass 118 indent level is 2 Responsive to instability condition
[List of Patents for class 180 subclass 119]  119           Subclass 119 indent level is 2 Surface contacting control
[List of Patents for class 180 subclass 120]  120           Subclass 120 indent level is 2 Integrated with working fluid
[List of Patents for class 180 subclass 121]  121           Subclass 121 indent level is 3 With plural cushions
[List of Patents for class 180 subclass 122]  122           Subclass 122 indent level is 3 With dynamic seal or fluid curtain
[List of Patents for class 180 subclass 123]  123           Subclass 123 indent level is 1 Spray deflector
[List of Patents for class 180 subclass 124]  124           Subclass 124 indent level is 1 Expansible chamber
[List of Patents for class 180 subclass 125]  125           Subclass 125 indent level is 1 Fluid bearing or fluid pad
[List of Patents for class 180 subclass 126]  126           Subclass 126 indent level is 1 Rigid side walls
[List of Patents for class 180 subclass 127]  127           Subclass 127 indent level is 1 Flexible skirt
[List of Patents for class 180 subclass 128]  128           Subclass 128 indent level is 2 Having outlet for working fluid
[List of Patents for class 180 subclass 129]  129           Subclass 129 indent level is 1 Dynamic seal or fluid curtain
[List of Patents for class 180 subclass 130]  130           Subclass 130 indent level is 2 Recirculating
[List of Patents for class 180 subclass 165]  165           WITH FLUID OR MECHANICAL MEANS TO ACCUMULATE ENERGY (I) DERIVED FROM MOTION OF VEHICLE OR (II) OBTAINED FROM OPERATION OF VEHICLE MOTOR, AND GIVE UP THE ENERGY (1) WHEN NEEDED FOR VEHICLE ACCELERATION OR (2) TO POWER AN AUXILIARY SYSTEM OF THE VEHICLE
[List of Patents for class 180 subclass 166]  166           WHEELED INFANT CARRIAGE OR CRIB WITH DRIVEN MEANS FOR RECIPROCATING IT LONGITUDINALLY
[List of Patents for class 180 subclass 2.1]  2.1           MOTOR SUPPLIED WITH POWER FROM EXTERNAL SOURCE
[List of Patents for class 180 subclass 2.2]  2.2           Subclass 2.2 indent level is 1 Source comprises or includes energy derived from force of nature (e.g., sun, wind)
[List of Patents for class 180 subclass 167]  167           WITH MEANS FOR CONTROLLING OPERATION RESPONSIVE TO ELECTROMAGNETIC RADIATION, MAGNETIC FORCE, OR SOUND WAVES RECEIVED FROM SOURCE, OR REFLECTED FROM OBJECT OR SURFACE, LOCATED APART FROM VEHICLE
[List of Patents for class 180 subclass 168]  168           Subclass 168 indent level is 1 Having controlling means adapted to interact with stationary means which describes course of vehicle's travel
[List of Patents for class 180 subclass 169]  169           Subclass 169 indent level is 1 Radiation, force, or waves reflected from external object or surface
[List of Patents for class 180 subclass 170]  170           WITH MEANS RESPONSIVE TO SPEED OF VEHICLE FOR MAINTAINING SPEED AT, OR PREVENTING IT FROM EXCEEDING, A PARTICULAR VALUE
[List of Patents for class 180 subclass 171]  171           Subclass 171 indent level is 1 Including device to signal to operator existence of unusual or unintended speed
[List of Patents for class 180 subclass 172]  172           Subclass 172 indent level is 1 Including device responsive to centrifugal force
[List of Patents for class 180 subclass 173]  173           Subclass 173 indent level is 2 And means to prevent tampering or unauthorized use
[List of Patents for class 180 subclass 174]  174           Subclass 174 indent level is 2 Having electrical switch
[List of Patents for class 180 subclass 175]  175           Subclass 175 indent level is 1 Including fluid pressure actuated servomechanism
[List of Patents for class 180 subclass 176]  176           Subclass 176 indent level is 2 And electrical quantities comparison means for development of input pressure
[List of Patents for class 180 subclass 177]  177           Subclass 177 indent level is 2 And one or more electrical components for establishing or regulating input pressure
[List of Patents for class 180 subclass 178]  178           Subclass 178 indent level is 1 Including electrically actuated servomechanism
[List of Patents for class 180 subclass 179]  179           Subclass 179 indent level is 2 And electrical quantities comparison means for development of electrical input
[List of Patents for class 180 subclass 180]  180           SKI- OR SKATE-TYPE VEHICLE FOR IMPARTING MOVEMENT TO A PERSON STANDING THEREON
[List of Patents for class 180 subclass 181]  181           Subclass 181 indent level is 1 With power means or a portion thereof affixed to or built into the ski or skate
[List of Patents for class 180 subclass 182]  182           INCLUDING ONE OR MORE SKI-LIKE OR RUNNER MEMBERS
[List of Patents for class 180 subclass 183]  183           Subclass 183 indent level is 1 Member substitutable for wheel type support structure
[List of Patents for class 180 subclass 184]  184           Subclass 184 indent level is 2 With propulsion element of endless track type
[List of Patents for class 180 subclass 185]  185           Subclass 185 indent level is 3 Track comprises substitute for or addition to propulsion element of traction wheel type
[List of Patents for class 180 subclass 186]  186           Subclass 186 indent level is 1 With at least one surface-engaging propulsion element
[List of Patents for class 180 subclass 187]  187           Subclass 187 indent level is 2 Element shuffles along support surface
[List of Patents for class 180 subclass 188]  188           Subclass 188 indent level is 2 Spiral type element
[List of Patents for class 180 subclass 189]  189           Subclass 189 indent level is 2 Plural elements connected to and spaced along the plural throws of a common crankshaft
[List of Patents for class 180 subclass 190]  190           Subclass 190 indent level is 2 Endless track type element
[List of Patents for class 180 subclass 191]  191           Subclass 191 indent level is 3 Protruding from member
[List of Patents for class 180 subclass 192]  192           Subclass 192 indent level is 3 Plural tracks with interconnected drive or support means
[List of Patents for class 180 subclass 193]  193           Subclass 193 indent level is 3 With vertically movable track support located intermediate the forward and rearward extremities of the track
[List of Patents for class 180 subclass 194]  194           Subclass 194 indent level is 2 Plural discrete elements protruding from a wheel, hub, or shaft
[List of Patents for class 180 subclass 195]  195           Subclass 195 indent level is 3 Each element moves relative to wheel, hub, or shaft
[List of Patents for class 180 subclass 196]  196           Subclass 196 indent level is 2 Element comprises traction wheel
[List of Patents for class 180 subclass 197]  197           WITH MEANS FOR DETECTING WHEEL SLIP DURING VEHICLE ACCELERATION AND CONTROLLING IT BY REDUCING APPLICATION OF POWER TO WHEEL
[List of Patents for class 180 subclass 198]  198           PORTABLE CARRIER SUPPORTS MOTOR VEHICLE IN TOTO AND IS PROPELLED THEREBY
[List of Patents for class 180 subclass 199]  199           WITH POWERED, GROUND-ENGAGING MEANS FOR PRODUCING, OR ASSISTING IN THE PRODUCTION OF, LATERAL MOVEMENT OF THE VEHICLE (E.G., FOR PARKING)
[List of Patents for class 180 subclass 200]  200           Subclass 200 indent level is 1 Comprising rotatably driven auxiliary wheel or endless track
[List of Patents for class 180 subclass 201]  201           Subclass 201 indent level is 2 Driven by frictional engagement with tire of vehicle traction wheel
[List of Patents for class 180 subclass 202]  202           Subclass 202 indent level is 2 Driven by auxiliary electric or fluid motor
[List of Patents for class 180 subclass 203]  203           Subclass 203 indent level is 1 Comprising reciprocably driven stepper or rotatably driven cam
[List of Patents for class 180 subclass 204]  204           WITH DEVICE FOR PROGRAMMABLY OPERATING VEHICLE`S STEERABLE WHEELS
[List of Patents for class 180 subclass 6.2]  6.2           STEERING BY DRIVING
[List of Patents for class 180 subclass 6.24]  6.24           Subclass 6.24 indent level is 1 Combined with manual steering
[List of Patents for class 180 subclass 6.26]  6.26           Subclass 6.26 indent level is 2 Interlocked
[List of Patents for class 180 subclass 6.28]  6.28           Subclass 6.28 indent level is 3 Electrical
[List of Patents for class 180 subclass 6.3]  6.3           Subclass 6.3 indent level is 3 Fluid
[List of Patents for class 180 subclass 6.32]  6.32           Subclass 6.32 indent level is 3 Lever and/or linkage
[List of Patents for class 180 subclass 6.34]  6.34           Subclass 6.34 indent level is 4 With controller cam
[List of Patents for class 180 subclass 6.36]  6.36           Subclass 6.36 indent level is 4 Lost motion type
[List of Patents for class 180 subclass 6.38]  6.38           Subclass 6.38 indent level is 4 Geared
[List of Patents for class 180 subclass 6.4]  6.4           Subclass 6.4 indent level is 4 With flexible and/or yieldable link
[List of Patents for class 180 subclass 6.44]  6.44           Subclass 6.44 indent level is 1 Auxiliary steering motor
[List of Patents for class 180 subclass 6.48]  6.48           Subclass 6.48 indent level is 1 Independently operable drive motors
[List of Patents for class 180 subclass 6.5]  6.5           Subclass 6.5 indent level is 2 Electrical
[List of Patents for class 180 subclass 6.54]  6.54           Subclass 6.54 indent level is 1 Variable contact
[List of Patents for class 180 subclass 6.58]  6.58           Subclass 6.58 indent level is 1 Controlled from rotatably mounted superstructure
[List of Patents for class 180 subclass 6.6]  6.6           Subclass 6.6 indent level is 2 Steering responsive to rotary movement of superstructure
[List of Patents for class 180 subclass 6.62]  6.62           Subclass 6.62 indent level is 1 Combined
[List of Patents for class 180 subclass 6.64]  6.64           Subclass 6.64 indent level is 1 Swinging traction frame responsive to differential drive
[List of Patents for class 180 subclass 6.66]  6.66           Subclass 6.66 indent level is 1 Reversing drive to traction element
[List of Patents for class 180 subclass 6.7]  6.7           Subclass 6.7 indent level is 1 Endless flexible track
[List of Patents for class 180 subclass 7.1]  7.1           SPECIAL DRIVING DEVICE
[List of Patents for class 180 subclass 7.2]  7.2           Subclass 7.2 indent level is 1 Spiral type element
[List of Patents for class 180 subclass 7.3]  7.3           Subclass 7.3 indent level is 1 Reaction jet propulsion
[List of Patents for class 180 subclass 7.4]  7.4           Subclass 7.4 indent level is 1 Propeller type
[List of Patents for class 180 subclass 7.5]  7.5           Subclass 7.5 indent level is 1 Vehicle mounted winch for pulling vehicle
[List of Patents for class 180 subclass 8.1]  8.1           Subclass 8.1 indent level is 1 Stepper
[List of Patents for class 180 subclass 8.2]  8.2           Subclass 8.2 indent level is 2 Step or abutment ascending/desending type vehicle
[List of Patents for class 180 subclass 8.3]  8.3           Subclass 8.3 indent level is 2 Wheel and stepper type
[List of Patents for class 180 subclass 8.4]  8.4           Subclass 8.4 indent level is 3 Nonsupporting pusher type stepper
[List of Patents for class 180 subclass 8.5]  8.5           Subclass 8.5 indent level is 2 With alternately lifted supporting base and leg
[List of Patents for class 180 subclass 8.6]  8.6           Subclass 8.6 indent level is 2 With alternately lifted feet or skid
[List of Patents for class 180 subclass 8.7]  8.7           Subclass 8.7 indent level is 2 Endless or rotary type
[List of Patents for class 180 subclass 9]  9           Subclass 9 indent level is 1 Portable track
[List of Patents for class 180 subclass 9.1]  9.1           Subclass 9.1 indent level is 2 Endless, flexible
[List of Patents for class 180 subclass 9.21]  9.21           Subclass 9.21 indent level is 3 Track substituted for drive wheel
[List of Patents for class 180 subclass 9.22]  9.22           Subclass 9.22 indent level is 3 Guided by walking attendant
[List of Patents for class 180 subclass 9.23]  9.23           Subclass 9.23 indent level is 3 With attendant station
[List of Patents for class 180 subclass 9.25]  9.25           Subclass 9.25 indent level is 4 Rider straddles vehicle (e.g., motorcycle)
[List of Patents for class 180 subclass 9.26]  9.26           Subclass 9.26 indent level is 3 Convertible from wheel type
[List of Patents for class 180 subclass 9.28]  9.28           Subclass 9.28 indent level is 4 Track remains with vehicle
[List of Patents for class 180 subclass 9.3]  9.3           Subclass 9.3 indent level is 5 Wheel or track contacts ground
[List of Patents for class 180 subclass 9.32]  9.32           Subclass 9.32 indent level is 3 With auxiliary obstacle surmounting means
[List of Patents for class 180 subclass 9.34]  9.34           Subclass 9.34 indent level is 3 With ground wheel
[List of Patents for class 180 subclass 9.36]  9.36           Subclass 9.36 indent level is 4 Opposite and laterally spaced
[List of Patents for class 180 subclass 9.38]  9.38           Subclass 9.38 indent level is 4 Steering
[List of Patents for class 180 subclass 9.4]  9.4           Subclass 9.4 indent level is 3 With hitch
[List of Patents for class 180 subclass 9.42]  9.42           Subclass 9.42 indent level is 3 Combined
[List of Patents for class 180 subclass 9.44]  9.44           Subclass 9.44 indent level is 3 With track-related steering means
[List of Patents for class 180 subclass 9.46]  9.46           Subclass 9.46 indent level is 4 Pivoted track frame
[List of Patents for class 180 subclass 9.48]  9.48           Subclass 9.48 indent level is 3 Laterally extendable track
[List of Patents for class 180 subclass 9.5]  9.5           Subclass 9.5 indent level is 3 Track support mounted for vertical movement
[List of Patents for class 180 subclass 9.52]  9.52           Subclass 9.52 indent level is 4 Adjustable
[List of Patents for class 180 subclass 9.54]  9.54           Subclass 9.54 indent level is 4 With spring
[List of Patents for class 180 subclass 9.56]  9.56           Subclass 9.56 indent level is 5 Longitudinally extending coil spring
[List of Patents for class 180 subclass 9.58]  9.58           Subclass 9.58 indent level is 5 Leaf or torsion spring
[List of Patents for class 180 subclass 9.6]  9.6           Subclass 9.6 indent level is 6 Transversely extending
[List of Patents for class 180 subclass 9.62]  9.62           Subclass 9.62 indent level is 3 Toothed wheel drive
[List of Patents for class 180 subclass 9.64]  9.64           Subclass 9.64 indent level is 4 Belt or chain driven
[List of Patents for class 180 subclass 10]  10           Subclass 10 indent level is 2 Annular
[List of Patents for class 180 subclass 11]  11           MOTOR-CARRYING ATTACHMENTS
[List of Patents for class 180 subclass 12]  12           Subclass 12 indent level is 1 Driven steering wheel type
[List of Patents for class 180 subclass 13]  13           Subclass 13 indent level is 2 Single wheel
[List of Patents for class 180 subclass 14.1]  14.1           VEHICLE TRAINS
[List of Patents for class 180 subclass 14.2]  14.2           Subclass 14.2 indent level is 1 Motorized trailer
[List of Patents for class 180 subclass 14.3]  14.3           Subclass 14.3 indent level is 2 All motors supplied from power plant of a single vehicle
[List of Patents for class 180 subclass 14.4]  14.4           Subclass 14.4 indent level is 1 Drive means betwen vehicles through coupling
[List of Patents for class 180 subclass 14.6]  14.6           Subclass 14.6 indent level is 1 Tractor drive effort varied by pull exerted by trailer
[List of Patents for class 180 subclass 14.7]  14.7           Subclass 14.7 indent level is 1 Vehicle drive drives other vehicle wheel
[List of Patents for class 180 subclass 14.5]  14.5           Subclass 14.5 indent level is 1 Overload release
[List of Patents for class 180 subclass 15]  15           ADDITIONAL TRACTION WHEEL
[List of Patents for class 180 subclass 16]  16           TRACTION WHEEL ATTACHMENTS
[List of Patents for class 180 subclass 19.1]  19.1           STEERED BY WALKING ATTENDANT
[List of Patents for class 180 subclass 19.2]  19.2           Subclass 19.2 indent level is 1 Who steerably controls steerable wheel
[List of Patents for class 180 subclass 19.3]  19.3           Subclass 19.3 indent level is 1 Handle movement controls vehicle drive
[List of Patents for class 180 subclass 20]  20           WITH ROLLERS
[List of Patents for class 180 subclass 21]  21           SPECIAL WHEEL BASE
[List of Patents for class 180 subclass 22]  22           Subclass 22 indent level is 1 Five or more wheels
[List of Patents for class 180 subclass 23]  23           Subclass 23 indent level is 2 Driven steering wheel type
[List of Patents for class 180 subclass 24]  24           Subclass 24 indent level is 3 Stub-axle type
[List of Patents for class 180 subclass 24.01]  24.01           Subclass 24.01 indent level is 2 Having tandem steerable or translatable wheels or wheel sets
[List of Patents for class 180 subclass 24.02]  24.02           Subclass 24.02 indent level is 2 Displaceable wheel shifts or proportions load
[List of Patents for class 180 subclass 24.03]  24.03           Subclass 24.03 indent level is 2 Independently rotatable side-by-side dual wheels
[List of Patents for class 180 subclass 24.04]  24.04           Subclass 24.04 indent level is 2 With differential housing integrally fixed to vehicle frame
[List of Patents for class 180 subclass 24.05]  24.05           Subclass 24.05 indent level is 2 Rocker beam houses drive means
[List of Patents for class 180 subclass 24.06]  24.06           Subclass 24.06 indent level is 2 Plural propelling motors
[List of Patents for class 180 subclass 24.07]  24.07           Subclass 24.07 indent level is 3 Separate driving motor for each drive wheel
[List of Patents for class 180 subclass 24.08]  24.08           Subclass 24.08 indent level is 2 Each wheel positively driven
[List of Patents for class 180 subclass 24.09]  24.09           Subclass 24.09 indent level is 2 With interaxle differential
[List of Patents for class 180 subclass 24.1]  24.1           Subclass 24.1 indent level is 2 With drive interrupt means to either tandem drive wheel
[List of Patents for class 180 subclass 24.11]  24.11           Subclass 24.11 indent level is 2 Driven tandem wheels
[List of Patents for class 180 subclass 24.12]  24.12           Subclass 24.12 indent level is 3 One serially driven by other
[List of Patents for class 180 subclass 24.13]  24.13           Subclass 24.13 indent level is 2 Spring rocker beam
[List of Patents for class 180 subclass 205]  205           Subclass 205 indent level is 1 With mechanism of occupant-powered type for developing torque for supplementing, alternating with, or replacing torque of motor
[List of Patents for class 180 subclass 206]  206           Subclass 206 indent level is 2 And means for controlling motor in response to either operation of occupant powered mechanism or vehicular movement resulting therefrom
[List of Patents for class 180 subclass 207]  207           Subclass 207 indent level is 2 Including member utilized in common by occupant-powered mechanism and by motor for transmitting torque output of each to wheel
[List of Patents for class 180 subclass 208]  208           Subclass 208 indent level is 1 Collapsible or knockdown for storage or transport
[List of Patents for class 180 subclass 209]  209           Subclass 209 indent level is 1 With means for changing number of supporting wheels, or for adjusting relative location thereof
[List of Patents for class 180 subclass 210]  210           Subclass 210 indent level is 1 Having only three wheels
[List of Patents for class 180 subclass 211]  211           Subclass 211 indent level is 2 Including steerable and driven wheel
[List of Patents for class 180 subclass 212]  212           Subclass 212 indent level is 3 All wheels motor driven
[List of Patents for class 180 subclass 213]  213           Subclass 213 indent level is 3 Having motor mounted to swing with steerable wheel
[List of Patents for class 180 subclass 214]  214           Subclass 214 indent level is 4 Electrical-type motor
[List of Patents for class 180 subclass 215]  215           Subclass 215 indent level is 2 Including two wheels driven and having common axis of rotation
[List of Patents for class 180 subclass 216]  216           Subclass 216 indent level is 3 Electrical-type motor
[List of Patents for class 180 subclass 217]  217           Subclass 217 indent level is 3 Including endless element for transmitting drive to wheels
[List of Patents for class 180 subclass 218]  218           Subclass 218 indent level is 1 Having only two wheels
[List of Patents for class 180 subclass 219]  219           Subclass 219 indent level is 2 Arranged in tandem
[List of Patents for class 180 subclass 220]  220           Subclass 220 indent level is 3 Electrical-type motor
[List of Patents for class 180 subclass 221]  221           Subclass 221 indent level is 3 Including rotating element for frictionally engaging and driving a wheel
[List of Patents for class 180 subclass 222]  222           Subclass 222 indent level is 4 And means for steering that wheel
[List of Patents for class 180 subclass 223]  223           Subclass 223 indent level is 3 Including steerable and driven wheel
[List of Patents for class 180 subclass 224]  224           Subclass 224 indent level is 4 Both wheels motor driven
[List of Patents for class 180 subclass 225]  225           Subclass 225 indent level is 3 Having frame element or fender constituting also exhaust or fuel passageway or fuel reservoir
[List of Patents for class 180 subclass 226]  226           Subclass 226 indent level is 3 Including longitudinally extending shaft for transmitting drive to wheel
[List of Patents for class 180 subclass 227]  227           Subclass 227 indent level is 3 Including resilient means for mounting driven wheel
[List of Patents for class 180 subclass 228]  228           Subclass 228 indent level is 3 Including resilient means for mounting motor
[List of Patents for class 180 subclass 229]  229           Subclass 229 indent level is 3 With means for cooling motor
[List of Patents for class 180 subclass 230]  230           Subclass 230 indent level is 3 With change-speed means between motor and driven wheel
[List of Patents for class 180 subclass 231]  231           Subclass 231 indent level is 3 Including endless element for transmitting drive and means for adjusting tension of element
[List of Patents for class 180 subclass 36]  36           STEAM TRACTION ENGINES
[List of Patents for class 180 subclass 37]  37           Subclass 37 indent level is 1 Driven steering wheel type
[List of Patents for class 180 subclass 38]  38           Subclass 38 indent level is 2 Four wheels driven
[List of Patents for class 180 subclass 39]  39           Subclass 39 indent level is 1 With boiler leveler
[List of Patents for class 180 subclass 40]  40           Subclass 40 indent level is 1 Spring mounted on axle
[List of Patents for class 180 subclass 232]  232           WITH MEANS FOR (1) PROTECTING MOTOR FROM IMPACT OF COLLISION, (2) UTILIZING MASS OF MOTOR TO ABSORB FORCE THEREOF, OR (3) PROTECTING OCCUPANT REGION OF VEHICLE FROM IMPACT-INDUCED SHIFTING OF MOTOR
[List of Patents for class 180 subclass 41]  41           WITH LEVELING DEVICE
[List of Patents for class 180 subclass 233]  233           HAVING FOUR WHEELS DRIVEN
[List of Patents for class 180 subclass 234]  234           Subclass 234 indent level is 1 With means for steering all driven wheels
[List of Patents for class 180 subclass 235]  235           Subclass 235 indent level is 2 Comprising articulated frame and means for pivoting one portion of frame relative to other portion about vertical axis located centrally of vehicle
[List of Patents for class 180 subclass 236]  236           Subclass 236 indent level is 2 In a path of travel other than that produced by turning the front wheels and the rear wheels substantially equally and oppositely
[List of Patents for class 180 subclass 237]  237           Subclass 237 indent level is 2 Comprising swingable, plural-wheel-carrying axles on individual, vertical axes of pivot
[List of Patents for class 180 subclass 238]  238           Subclass 238 indent level is 3 At least one axle being offset from its pivotable axis
[List of Patents for class 180 subclass 239]  239           Subclass 239 indent level is 3 Including longitudinally extending, endless element for transmitting drive to wheels
[List of Patents for class 180 subclass 240]  240           Subclass 240 indent level is 2 Including rotatable shaft extending longitudinally from wheels at one end of vehicle to wheels at other end for transmitting steering force thereto
[List of Patents for class 180 subclass 241]  241           Subclass 241 indent level is 2 Including longitudinally extending, endless element for transmitting drive to wheels
[List of Patents for class 180 subclass 242]  242           Subclass 242 indent level is 1 Including pump and fluid motor, or generator and electric motor, for driving one or more wheels
[List of Patents for class 180 subclass 243]  243           Subclass 243 indent level is 2 And another means for driving the remaining driven wheels
[List of Patents for class 180 subclass 244]  244           Subclass 244 indent level is 1 With means for braking either (1) one or more driven wheels or (2) structure transmitting drive to wheel
[List of Patents for class 180 subclass 245]  245           Subclass 245 indent level is 1 Including separate mechanical assemblies for transmitting drive to each of two wheels at one end of vehicle
[List of Patents for class 180 subclass 246]  246           Subclass 246 indent level is 2 And assemblies for each of two wheels at other end, also
[List of Patents for class 180 subclass 247]  247           Subclass 247 indent level is 1 With manually operated means for disengaging drive to one or more, but fewer than all, of the four wheels
[List of Patents for class 180 subclass 248]  248           Subclass 248 indent level is 1 With differential means for driving two wheel sets at dissimilar speeds
[List of Patents for class 180 subclass 249]  249           Subclass 249 indent level is 2 And means for locking out the differential means
[List of Patents for class 180 subclass 250]  250           Subclass 250 indent level is 3 Manually operated type of lockout means
[List of Patents for class 180 subclass 251]  251           Subclass 251 indent level is 1 Including longitudinally extending, endless element for transmitting drive to wheels
[List of Patents for class 180 subclass 252]  252           HAVING AT LEAST ONE WHEEL BOTH DRIVEN AND STEERABLE
[List of Patents for class 180 subclass 253]  253           Subclass 253 indent level is 1 Steerable wheel has exclusive axis of pivot (i.e., stub-axle type)
[List of Patents for class 180 subclass 254]  254           Subclass 254 indent level is 2 Including flexible, axially rotatable means having one portion fixed to vehicle and another portion pivotable with wheel for transmitting drive thereto
[List of Patents for class 180 subclass 255]  255           Subclass 255 indent level is 3 Pivotable portion of means has additional structure of gearlike nature in driving engagement with corresponding structure on wheel
[List of Patents for class 180 subclass 256]  256           Subclass 256 indent level is 3 Means comprises rotatable shaft containing plural universal joints
[List of Patents for class 180 subclass 257]  257           Subclass 257 indent level is 4 Having at least one joint located on each side of axis of pivot
[List of Patents for class 180 subclass 258]  258           Subclass 258 indent level is 3 Pivotable portion of means includes ball or socket element of ball-and socket type universal joint
[List of Patents for class 180 subclass 259]  259           Subclass 259 indent level is 4 Joint includes intermediate ball, floating in groove, for positively engaging ball with socket
[List of Patents for class 180 subclass 260]  260           Subclass 260 indent level is 3 Pivotable portion of means includes gear element of intermeshing gear type universal joint
[List of Patents for class 180 subclass 261]  261           Subclass 261 indent level is 4 Joint includes at least one gear element rotatable on axis of pivot and intermeshing with gear element on pivotable portion
[List of Patents for class 180 subclass 262]  262           Subclass 262 indent level is 5 Joint also includes gear element on fixed portion engaging gear element on axis of pivot and vertically offset from gear element on pivotable portion
[List of Patents for class 180 subclass 263]  263           Subclass 263 indent level is 3 Having axis of pivot disposed between parallel planes defined by opposite sides of wheel
[List of Patents for class 180 subclass 264]  264           Subclass 264 indent level is 1 With driven axle, mounting two or more wheels, swingable about axis of pivot, and motor mounted to swing therewith
[List of Patents for class 180 subclass 265]  265           Subclass 265 indent level is 2 Having axle offset longitudinally from axis of pivot
[List of Patents for class 180 subclass 266]  266           Subclass 266 indent level is 1 With driven axle, mounting two or more wheels, swingable about axis of pivot, and swingable also about a horizontal axis
[List of Patents for class 180 subclass 267]  267           Subclass 267 indent level is 1 With driven axle, mounting two or more wheels, swingable about axis of pivot, and shaft for transmitting drive coincident with axis
[List of Patents for class 180 subclass 268]  268           WITH BELT OR HARNESS FOR RESTRAINING OCCUPANT, AND MEANS WHEREBY THE BELT OR HARNESS CONTROLS, OR IS CONTROLLED BY, THE FUNCTIONING OF A VEHICLE SYSTEM OR COMPONENT
[List of Patents for class 180 subclass 269]  269           Subclass 269 indent level is 1 System comprises transmission or element thereof
[List of Patents for class 180 subclass 270]  270           Subclass 270 indent level is 1 System comprises ignition circuit or starter circuit or element of one or other
[List of Patents for class 180 subclass 271]  271           WITH MEANS FOR PROMOTING SAFETY OF VEHICLE, ITS OCCUPANT OR LOAD, OR AN EXTERNAL OBJECT
[List of Patents for class 180 subclass 272]  272           Subclass 272 indent level is 1 Responsive to absence or inattention of operator, or negatively reactive to attempt to operate vehicle by person not qualified mentally or physically to do so
[List of Patents for class 180 subclass 273]  273           Subclass 273 indent level is 2 Utilizing weight, or lack thereof, of operator on seat or other support to determine presence or absence
[List of Patents for class 180 subclass 274]  274           Subclass 274 indent level is 1 Responsive to engagement of portion of perimeter of vehicle with external object
[List of Patents for class 180 subclass 275]  275           Subclass 275 indent level is 2 And causing application of vehicle brake
[List of Patents for class 180 subclass 276]  276           Subclass 276 indent level is 3 Brake comprises or includes element moved or deformed into engagement with ground
[List of Patents for class 180 subclass 277]  277           Subclass 277 indent level is 3 And also interruption of at least one operational system of the vehicle or its motor
[List of Patents for class 180 subclass 278]  278           Subclass 278 indent level is 4 System comprises clutch
[List of Patents for class 180 subclass 279]  279           Subclass 279 indent level is 2 And causing interruption of an electrical system of the vehicle or its motor
[List of Patents for class 180 subclass 280]  280           Subclass 280 indent level is 2 And causing operation of vehicle steering system
[List of Patents for class 180 subclass 281]  281           Subclass 281 indent level is 1 Comprising either movable closure member or fastening device therefor responsive to forward or rearward movement, or variations therein, of vehicle
[List of Patents for class 180 subclass 282]  282           Subclass 282 indent level is 1 Responsive to sensing of acceleration, deceleration, or tilt of vehicle
[List of Patents for class 180 subclass 283]  283           Subclass 283 indent level is 2 And causing interruption of ignition circuit
[List of Patents for class 180 subclass 284]  284           Subclass 284 indent level is 3 And also impeding flow of fuel
[List of Patents for class 180 subclass 285]  285           Subclass 285 indent level is 2 And causing disruption of drive train between motor and wheels
[List of Patents for class 180 subclass 286]  286           Subclass 286 indent level is 1 Comprising vehicle system or component responsive either to position of movable closure member or to status of fastening device therefor
[List of Patents for class 180 subclass 287]  287           Subclass 287 indent level is 1 By preventing unauthorized or unintended access or use
[List of Patents for class 180 subclass 288]  288           Subclass 288 indent level is 2 Reponsive to failure of taxicab operator to activate fare meter upon boarding of passenger
[List of Patents for class 180 subclass 289]  289           Subclass 289 indent level is 2 Comprising device, mechanism, or system for either repositioning a movable or removable closure member or operating a fastening device therefor
[List of Patents for class 180 subclass 290]  290           Subclass 290 indent level is 1 Responsive to weight of cargo load transported by vehicle
[List of Patents for class 180 subclass 53.1]  53.1           MOTOR AS SOURCE OF POWER FOR OTHER MACHINE
[List of Patents for class 180 subclass 53.2]  53.2           Subclass 53.2 indent level is 1 Other machine is creeper drive on motor vehicle
[List of Patents for class 180 subclass 53.3]  53.3           Subclass 53.3 indent level is 1 Other machine is mounted by three point hitch (i.e., Ford-Ferguson hitch)
[List of Patents for class 180 subclass 53.4]  53.4           Subclass 53.4 indent level is 1 Hydraulic drive to other machine
[List of Patents for class 180 subclass 53.5]  53.5           Subclass 53.5 indent level is 1 Electric drive to other machine
[List of Patents for class 180 subclass 53.6]  53.6           Subclass 53.6 indent level is 1 Drive to other machine by power take-off (PTO) driven by wheel or axle of motor vehicle
[List of Patents for class 180 subclass 53.61]  53.61           Subclass 53.61 indent level is 2 PTO mounted directly on or engaging drive wheel to rotate therewith
[List of Patents for class 180 subclass 53.62]  53.62           Subclass 53.62 indent level is 2 PTO constantly driven with wheel selectively driven
[List of Patents for class 180 subclass 53.7]  53.7           Subclass 53.7 indent level is 1 Drive to other machine by power take-off (PTO) at front end of vehicle
[List of Patents for class 180 subclass 53.8]  53.8           Subclass 53.8 indent level is 1 Other machine is vehicle accessory
[List of Patents for class 180 subclass 54.1]  54.1           POWER
[List of Patents for class 180 subclass 54.2]  54.2           Subclass 54.2 indent level is 1 With spring powered motor
[List of Patents for class 180 subclass 55]  55           Subclass 55 indent level is 1 On lower running gear
[List of Patents for class 180 subclass 56]  56           Subclass 56 indent level is 2 Rear axle and body
[List of Patents for class 180 subclass 57]  57           Subclass 57 indent level is 3 Longitudinal shaft
[List of Patents for class 180 subclass 58]  58           Subclass 58 indent level is 2 Frame
[List of Patents for class 180 subclass 59]  59           Subclass 59 indent level is 3 Pivoted support on axle
[List of Patents for class 180 subclass 60]  60           Subclass 60 indent level is 3 Electric
[List of Patents for class 180 subclass 61]  61           Subclass 61 indent level is 2 Pivoted support on axle
[List of Patents for class 180 subclass 62]  62           Subclass 62 indent level is 2 Rear axle
[List of Patents for class 180 subclass 63]  63           Subclass 63 indent level is 1 Motor moved by axle
[List of Patents for class 180 subclass 291]  291           Subclass 291 indent level is 1 Having specific motor-to-body-frame relationship
[List of Patents for class 180 subclass 292]  292           Subclass 292 indent level is 2 Including change-speed gearing, or clutch, mounted in common with motor
[List of Patents for class 180 subclass 293]  293           Subclass 293 indent level is 3 With member or mechanism for controlling gearing or clutch, and means for minimizing transfer of movement, caused by operation of motor, to member or mechanism
[List of Patents for class 180 subclass 294]  294           Subclass 294 indent level is 3 With means enabling repositioning of motor and gearing or clutch
[List of Patents for class 180 subclass 295]  295           Subclass 295 indent level is 3 With wheeled auxiliary frame, resiliently joined to body frame, for supporting motor and gearing or clutch
[List of Patents for class 180 subclass 296]  296           Subclass 296 indent level is 2 Including means on body frame or motor for handling exhaust
[List of Patents for class 180 subclass 297]  297           Subclass 297 indent level is 2 Having motor shaft parallel to rotational axis of driven wheel
[List of Patents for class 180 subclass 298]  298           Subclass 298 indent level is 2 Including means enabling repositioning of motor
[List of Patents for class 180 subclass 299]  299           Subclass 299 indent level is 2 Including auxiliary frame for motor and resilient means for connecting auxiliary frame to body frame
[List of Patents for class 180 subclass 300]  300           Subclass 300 indent level is 2 Including means of nonsupporting nature for minimizing operation-induced movement of motor
[List of Patents for class 180 subclass 65.1]  65.1           Subclass 65.1 indent level is 1 Electric
[List of Patents for class 180 subclass 65.2]  65.2           Subclass 65.2 indent level is 2 Combined with nonelectric drive means
[List of Patents for class 180 subclass 65.3]  65.3           Subclass 65.3 indent level is 2 With means on vehicle for generating power for the electric motor
[List of Patents for class 180 subclass 65.4]  65.4           Subclass 65.4 indent level is 3 Generating means is driven by a prime mover
[List of Patents for class 180 subclass 65.5]  65.5           Subclass 65.5 indent level is 2 With motor in or moveable with wheel
[List of Patents for class 180 subclass 65.6]  65.6           Subclass 65.6 indent level is 2 With gearing between electric motor and drive wheel
[List of Patents for class 180 subclass 65.7]  65.7           Subclass 65.7 indent level is 3 Gearing is a changeable ratio gearing
[List of Patents for class 180 subclass 65.8]  65.8           Subclass 65.8 indent level is 2 With electronic devices (logic gates, semi-conductors, vacuum tubes, etc.) in control circuit
[List of Patents for class 180 subclass 301]  301           Subclass 301 indent level is 1 Including traction motor of turbine type driven by fluid product of combustion
[List of Patents for class 180 subclass 302]  302           Subclass 302 indent level is 1 Including traction motor of kind driven by expansible fluid from source external of motor
[List of Patents for class 180 subclass 303]  303           Subclass 303 indent level is 2 Gas is product of treatment of a volatile fluid (e.g., gas is steam)
[List of Patents for class 180 subclass 304]  304           Subclass 304 indent level is 3 With means to condense gas discharged from motor
[List of Patents for class 180 subclass 305]  305           Subclass 305 indent level is 1 Including traction motor of kind driven by noncompressible fluid received under pressure from a pump
[List of Patents for class 180 subclass 306]  306           Subclass 306 indent level is 2 Vehicle includes another system operated by same fluid
[List of Patents for class 180 subclass 307]  307           Subclass 307 indent level is 2 Having variable displacement type motor or pump
[List of Patents for class 180 subclass 308]  308           Subclass 308 indent level is 2 Having separate motor for each driven, surface-engaging member
[List of Patents for class 180 subclass 309]  309           Subclass 309 indent level is 1 With means for handling motor exhaust
[List of Patents for class 180 subclass 310]  310           Subclass 310 indent level is 1 With means to generate steam for a propulsion purpose
[List of Patents for class 180 subclass 68.1]  68.1           Subclass 68.1 indent level is 1 With means to guide and/or control air for power plant cooling
[List of Patents for class 180 subclass 68.2]  68.2           Subclass 68.2 indent level is 2 With further means to utilize power plant cooling air for other purposes
[List of Patents for class 180 subclass 68.3]  68.3           Subclass 68.3 indent level is 1 With means to guide and/or control combustion air for power plant
[List of Patents for class 180 subclass 68.4]  68.4           Subclass 68.4 indent level is 1 Radiators and condensers, mounting
[List of Patents for class 180 subclass 68.6]  68.6           Subclass 68.6 indent level is 2 With protector for the radiator or condenser
[List of Patents for class 180 subclass 68.5]  68.5           Subclass 68.5 indent level is 1 Battery mountings and holders
[List of Patents for class 180 subclass 69.2]  69.2           Subclass 69.2 indent level is 1 Hoods
[List of Patents for class 180 subclass 69.21]  69.21           Subclass 69.21 indent level is 2 Pivoted about horizontal axis extending transversely of vehicle (e.g., alligator type or front end pivot)
[List of Patents for class 180 subclass 69.22]  69.22           Subclass 69.22 indent level is 2 With noise suppression means
[List of Patents for class 180 subclass 69.23]  69.23           Subclass 69.23 indent level is 3 Noise suppression means prevents hood from vribrating (i.e., anti rattlers)
[List of Patents for class 180 subclass 69.24]  69.24           Subclass 69.24 indent level is 2 With access openings having moveable or removeable closures
[List of Patents for class 180 subclass 69.25]  69.25           Subclass 69.25 indent level is 2 Water deflectors
[List of Patents for class 180 subclass 69.3]  69.3           Subclass 69.3 indent level is 1 With means to increase idle speed of internal combustion engine to compensate for accessory load
[List of Patents for class 180 subclass 69.4]  69.4           Subclass 69.4 indent level is 1 With fuel supply for internal combustion engine
[List of Patents for class 180 subclass 69.5]  69.5           Subclass 69.5 indent level is 2 Engine uses gaseous fuel
[List of Patents for class 180 subclass 69.6]  69.6           Subclass 69.6 indent level is 1 Vehicle has plural power plants
[List of Patents for class 180 subclass 69.1]  69.1           Subclass 69.1 indent level is 1 Underpans
[List of Patents for class 180 subclass 337]  337           TRANSMISSION MECHANISM
[List of Patents for class 180 subclass 338]  338           Subclass 338 indent level is 1 Condition responsive (e.g., responsive to speed, load, etc.)
[List of Patents for class 180 subclass 339]  339           Subclass 339 indent level is 1 With temperature control, lubrication or sealing
[List of Patents for class 180 subclass 340]  340           Subclass 340 indent level is 1 With laterally movable wheel
[List of Patents for class 180 subclass 341]  341           Subclass 341 indent level is 1 Wheel drives parallel wheel
[List of Patents for class 180 subclass 342]  342           Subclass 342 indent level is 1 Tire directly driven
[List of Patents for class 180 subclass 343]  343           Subclass 343 indent level is 2 With particular gear structure
[List of Patents for class 180 subclass 344]  344           Subclass 344 indent level is 1 Assembly feature
[List of Patents for class 180 subclass 345]  345           Subclass 345 indent level is 1 Traction aid
[List of Patents for class 180 subclass 346]  346           Subclass 346 indent level is 1 With protective guard or casing
[List of Patents for class 180 subclass 347]  347           Subclass 347 indent level is 1 Mechanical movement transmission
[List of Patents for class 180 subclass 348]  348           Subclass 348 indent level is 1 Final drive axle movable
[List of Patents for class 180 subclass 349]  349           Subclass 349 indent level is 2 Rigid axle
[List of Patents for class 180 subclass 350]  350           Subclass 350 indent level is 3 Belt or chain drive
[List of Patents for class 180 subclass 351]  351           Subclass 351 indent level is 4 With tensioning means
[List of Patents for class 180 subclass 352]  352           Subclass 352 indent level is 3 With lateral support between the differential or axle housing and the vehicle frame
[List of Patents for class 180 subclass 353]  353           Subclass 353 indent level is 3 With sprung differential
[List of Patents for class 180 subclass 354]  354           Subclass 354 indent level is 4 And differential support feature
[List of Patents for class 180 subclass 355]  355           Subclass 355 indent level is 4 And final gear drive
[List of Patents for class 180 subclass 356]  356           Subclass 356 indent level is 3 And final gear drive
[List of Patents for class 180 subclass 357]  357           Subclass 357 indent level is 2 Belt or chain drive
[List of Patents for class 180 subclass 358]  358           Subclass 358 indent level is 2 Swinging axle, single pivot
[List of Patents for class 180 subclass 359]  359           Subclass 359 indent level is 2 With sprung differential
[List of Patents for class 180 subclass 360]  360           Subclass 360 indent level is 3 And differential support feature
[List of Patents for class 180 subclass 361]  361           Subclass 361 indent level is 3 And final gear drive
[List of Patents for class 180 subclass 362]  362           Subclass 362 indent level is 3 And transverse leaf spring suspension
[List of Patents for class 180 subclass 363]  363           Subclass 363 indent level is 2 And final gear drive
[List of Patents for class 180 subclass 364]  364           Subclass 364 indent level is 1 Variable speed or direction
[List of Patents for class 180 subclass 365]  365           Subclass 365 indent level is 2 Plural
[List of Patents for class 180 subclass 366]  366           Subclass 366 indent level is 2 Belt or chain
[List of Patents for class 180 subclass 367]  367           Subclass 367 indent level is 2 Fluid drive
[List of Patents for class 180 subclass 368]  368           Subclass 368 indent level is 2 Friction drive
[List of Patents for class 180 subclass 369]  369           Subclass 369 indent level is 2 Planetary
[List of Patents for class 180 subclass 370]  370           Subclass 370 indent level is 1 With brake
[List of Patents for class 180 subclass 371]  371           Subclass 371 indent level is 1 Final gear drive at each of two parallel wheels
[List of Patents for class 180 subclass 372]  372           Subclass 372 indent level is 2 Planetary
[List of Patents for class 180 subclass 373]  373           Subclass 373 indent level is 2 Belt or chain
[List of Patents for class 180 subclass 374]  374           Subclass 374 indent level is 1 Gear transmission relationship to frame or axle
[List of Patents for class 180 subclass 375]  375           Subclass 375 indent level is 2 Transmission is differential
[List of Patents for class 180 subclass 376]  376           Subclass 376 indent level is 1 Shaft relationship to frame or shaft
[List of Patents for class 180 subclass 377]  377           Subclass 377 indent level is 1 Transmission support
[List of Patents for class 180 subclass 378]  378           Subclass 378 indent level is 2 Differential or axle housing
[List of Patents for class 180 subclass 379]  379           Subclass 379 indent level is 2 Shaft
[List of Patents for class 180 subclass 380]  380           Subclass 380 indent level is 3 With propeller shaft casing, (e.g., torque tube)
[List of Patents for class 180 subclass 381]  381           Subclass 381 indent level is 3 Vibration damping
[List of Patents for class 180 subclass 382]  382           Subclass 382 indent level is 2 Flexible support
[List of Patents for class 180 subclass 383]  383           Subclass 383 indent level is 1 With particular drive coupling
[List of Patents for class 180 subclass 384]  384           Subclass 384 indent level is 2 Relative axial movement
[List of Patents for class 180 subclass 385]  385           Subclass 385 indent level is 2 Drive connection to wheel
[List of Patents for class 180 subclass 76]  76           COMPENSATING DEVICES
[List of Patents for class 180 subclass 314]  314           WITH PLURAL FUEL TANKS
[List of Patents for class 180 subclass 315]  315           MANUALLY ACTUATED CONTROLLING DEVICES
[List of Patents for class 180 subclass 316]  316           Subclass 316 indent level is 1 By other than hand or foot of operator
[List of Patents for class 180 subclass 317]  317           Subclass 317 indent level is 1 On mine car vehicle
[List of Patents for class 180 subclass 318]  318           Subclass 318 indent level is 1 On delivery-type vehicle
[List of Patents for class 180 subclass 319]  319           Subclass 319 indent level is 1 With rein means
[List of Patents for class 180 subclass 320]  320           Subclass 320 indent level is 1 With vehicle control extension
[List of Patents for class 180 subclass 321]  321           Subclass 321 indent level is 1 With plural control stations
[List of Patents for class 180 subclass 322]  322           Subclass 322 indent level is 2 Side-by-side
[List of Patents for class 180 subclass 323]  323           Subclass 323 indent level is 2 For single control means
[List of Patents for class 180 subclass 324]  324           Subclass 324 indent level is 2 With tool or equipment control
[List of Patents for class 180 subclass 325]  325           Subclass 325 indent level is 2 Braking controllable by passenger
[List of Patents for class 180 subclass 326]  326           Subclass 326 indent level is 1 With movable control station or seat position
[List of Patents for class 180 subclass 327]  327           Subclass 327 indent level is 2 Movable cab
[List of Patents for class 180 subclass 328]  328           Subclass 328 indent level is 3 Tilting
[List of Patents for class 180 subclass 329]  329           Subclass 329 indent level is 2 Simultaneously movable seat and control
[List of Patents for class 180 subclass 330]  330           Subclass 330 indent level is 2 Seat on seat portion movable to alternate positon
[List of Patents for class 180 subclass 331]  331           Subclass 331 indent level is 3 With tool or equipment control
[List of Patents for class 180 subclass 332]  332           Subclass 332 indent level is 1 With tiller-type handle
[List of Patents for class 180 subclass 333]  333           Subclass 333 indent level is 1 Multiple vehicle functions controllable by single device
[List of Patents for class 180 subclass 334]  334           Subclass 334 indent level is 1 With adjustable operator engageable control
[List of Patents for class 180 subclass 335]  335           Subclass 335 indent level is 1 With fuel or air throttle control
[List of Patents for class 180 subclass 336]  336           Subclass 336 indent level is 1 With transmission control
[List of Patents for class 180 subclass 78]  78           Subclass 78 indent level is 1 Steering shaft
[List of Patents for class 180 subclass 400]  400           STEERING GEAR
[List of Patents for class 180 subclass 401]  401           Subclass 401 indent level is 1 Steering by terrestrial guide
[List of Patents for class 180 subclass 402]  402           Subclass 402 indent level is 1 No mechanical connection between steering shaft and steering gear
[List of Patents for class 180 subclass 403]  403           Subclass 403 indent level is 2 Hydraulic
[List of Patents for class 180 subclass 404]  404           Subclass 404 indent level is 1 Power assist alarms or disablers
[List of Patents for class 180 subclass 405]  405           Subclass 405 indent level is 1 With alternate emergency power means (e.g., pump, gearing, etc.)
[List of Patents for class 180 subclass 406]  406           Subclass 406 indent level is 2 With fluid backup
[List of Patents for class 180 subclass 407]  407           Subclass 407 indent level is 2 With electrical backup
[List of Patents for class 180 subclass 408]  408           Subclass 408 indent level is 1 Each wheel steerable
[List of Patents for class 180 subclass 409]  409           Subclass 409 indent level is 2 Occupant steered
[List of Patents for class 180 subclass 410]  410           Subclass 410 indent level is 3 With condition modulated steering
[List of Patents for class 180 subclass 411]  411           Subclass 411 indent level is 2 Independently controlled steerable wheels
[List of Patents for class 180 subclass 412]  412           Subclass 412 indent level is 2 With electric power assist
[List of Patents for class 180 subclass 413]  413           Subclass 413 indent level is 3 With electric power assist to all wheels
[List of Patents for class 180 subclass 414]  414           Subclass 414 indent level is 2 With fluid power assist
[List of Patents for class 180 subclass 415]  415           Subclass 415 indent level is 3 With electrical control
[List of Patents for class 180 subclass 416]  416           Subclass 416 indent level is 2 With mechanical power assist
[List of Patents for class 180 subclass 417]  417           Subclass 417 indent level is 1 With fluid power assist
[List of Patents for class 180 subclass 418]  418           Subclass 418 indent level is 2 Between articulated wheeled vehicle sections
[List of Patents for class 180 subclass 419]  419           Subclass 419 indent level is 3 Combined with another steering mode
[List of Patents for class 180 subclass 420]  420           Subclass 420 indent level is 3 Reciprocating power assist
[List of Patents for class 180 subclass 421]  421           Subclass 421 indent level is 2 With condition modulated steering
[List of Patents for class 180 subclass 422]  422           Subclass 422 indent level is 3 With electrical control
[List of Patents for class 180 subclass 423]  423           Subclass 423 indent level is 4 Vehicle speed condition only
[List of Patents for class 180 subclass 424]  424           Subclass 424 indent level is 2 With swinging axle
[List of Patents for class 180 subclass 425]  425           Subclass 425 indent level is 2 Including flexible power transmitting means
[List of Patents for class 180 subclass 426]  426           Subclass 426 indent level is 2 Steering column supported
[List of Patents for class 180 subclass 427]  427           Subclass 427 indent level is 3 Including rack gear means
[List of Patents for class 180 subclass 428]  428           Subclass 428 indent level is 2 With rack and pinion gearing intermediate steering shaft and power assist
[List of Patents for class 180 subclass 429]  429           Subclass 429 indent level is 2 Having rotary working member
[List of Patents for class 180 subclass 430]  430           Subclass 430 indent level is 2 Having flexible working member
[List of Patents for class 180 subclass 431]  431           Subclass 431 indent level is 2 Steering linkage includes interengaging gear means
[List of Patents for class 180 subclass 432]  432           Subclass 432 indent level is 2 With plural working members
[List of Patents for class 180 subclass 433]  433           Subclass 433 indent level is 3 Working member movement traverses vehicle path
[List of Patents for class 180 subclass 434]  434           Subclass 434 indent level is 2 Working member movement traverses vehicle path
[List of Patents for class 180 subclass 435]  435           Subclass 435 indent level is 3 Moves separate rod for each wheel steering arm
[List of Patents for class 180 subclass 436]  436           Subclass 436 indent level is 3 Working member part engages wheel steering arm
[List of Patents for class 180 subclass 437]  437           Subclass 437 indent level is 3 Working member part engages tie rod
[List of Patents for class 180 subclass 438]  438           Subclass 438 indent level is 2 Movable working member engages wheel steering arm
[List of Patents for class 180 subclass 439]  439           Subclass 439 indent level is 2 Movable working member is a moving cylinder
[List of Patents for class 180 subclass 440]  440           Subclass 440 indent level is 2 With linkage intermediate working member and wheel steering arm
[List of Patents for class 180 subclass 441]  441           Subclass 441 indent level is 2 Device to control pressure (e.g., valve)
[List of Patents for class 180 subclass 442]  442           Subclass 442 indent level is 2 Hydraulic circuit
[List of Patents for class 180 subclass 443]  443           Subclass 443 indent level is 1 With electric power assist
[List of Patents for class 180 subclass 444]  444           Subclass 444 indent level is 2 Specific mechanical feature
[List of Patents for class 180 subclass 445]  445           Subclass 445 indent level is 2 Controlling rear wheels
[List of Patents for class 180 subclass 446]  446           Subclass 446 indent level is 2 Condition modulated
[List of Patents for class 180 subclass 447]  447           Subclass 447 indent level is 1 With mechanical power assist
[List of Patents for class 180 subclass 448]  448           Subclass 448 indent level is 2 Swinging axle
[List of Patents for class 180 subclass 449]  449           Subclass 449 indent level is 2 Bogie truck having more than one axle
[List of Patents for class 180 subclass 84]  84           DUST GUARDS
[List of Patents for class 180 subclass 89.1]  89.1           BODIES
[List of Patents for class 180 subclass 89.11]  89.11           Subclass 89.11 indent level is 1 With passenger compartment having article receiving or removing means
[List of Patents for class 180 subclass 89.12]  89.12           Subclass 89.12 indent level is 1 Tractor and similar vehicle cabs
[List of Patents for class 180 subclass 89.13]  89.13           Subclass 89.13 indent level is 1 Movable cab or operator's station
[List of Patents for class 180 subclass 89.14]  89.14           Subclass 89.14 indent level is 2 Tilting
[List of Patents for class 180 subclass 89.15]  89.15           Subclass 89.15 indent level is 3 Via power or power enhancing means
[List of Patents for class 180 subclass 89.16]  89.16           Subclass 89.16 indent level is 2 Overmotor cab
[List of Patents for class 180 subclass 89.17]  89.17           Subclass 89.17 indent level is 1 Movable body portion facilitating engine access
[List of Patents for class 180 subclass 89.18]  89.18           Subclass 89.18 indent level is 2 Cab portion
[List of Patents for class 180 subclass 89.19]  89.19           Subclass 89.19 indent level is 1 Overmotor cab
[List of Patents for class 180 subclass 89.2]  89.2           Subclass 89.2 indent level is 1 With means for handling exhaust of a motor
[List of Patents for class 180 subclass 90]  90           Subclass 90 indent level is 1 Dashboards
[List of Patents for class 180 subclass 90.6]  90.6           Subclass 90.6 indent level is 1 Footboards and pedal guards
[List of Patents for class 180 subclass 311]  311           FRAME
[List of Patents for class 180 subclass 312]  312           Subclass 312 indent level is 1 With structure adapted to receive or support a motor, change-speed gearing, or other power train element
[List of Patents for class 180 subclass 313]  313           MISCELLANEOUS
 
CROSS-REFERENCE ART COLLECTIONS
 
[List of Patents for class 180 subclass 900]  900           ARGICULTURAL-TYPE TRACTORS
[List of Patents for class 180 subclass 901]  901           DEVICES FOR TRAVERSING VERTICAL SURFACES
[List of Patents for class 180 subclass 902]  902           SHOCK OR VIBRATION ABSORBING OR TRANSMITTING MEANS BETWEEN WHEEL SUSPENSION AND MOTOR
[List of Patents for class 180 subclass 903]  903           AIRSTREAM REACTIVE VEHICLE OR VEHICLE STRUCTURE
[List of Patents for class 180 subclass 904]  904           TRACTION DOLLIES FOR AIRCRAFT (CROSS REFERENCE ART COLLECTION CREATED IN COMPANION PROJECT)
[List of Patents for class 180 subclass 905]  905           AXLES
[List of Patents for class 180 subclass 906]  906           ADJUSTABLE AXLES
[List of Patents for class 180 subclass 907]  907           MOTORIZED WHEELCHAIRS
[List of Patents for class 180 subclass 908]  908           MOTOR VEHICLES WITH SHORT WHEELBASE
 
FOREIGN ART COLLECTIONS
 
   FOR000          CLASS-RELATED FOREIGN DOCUMENTS

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