29 METAL WORKING 
57 TEXTILES: SPINNING, TWISTING, AND TWINING 
65 GLASS MANUFACTURING 
148 METAL TREATMENT 
156 ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE 
216 is an integral part of this Class (Class 156), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. 
174 ELECTRICITY: CONDUCTORS AND INSULATORS 
180 MOTOR VEHICLES 
204 CHEMISTRY: ELECTRICAL AND WAVE ENERGY 
205 is an integral part of this Class (Class 204), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. 
209 CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS 
216 ETCHING A SUBSTRATE: PROCESSES 
244 AERONAUTICS 
250 RADIANT ENERGY 
252 COMPOSITIONS 
507 is an integral part of this Class (Class 252), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. 
508 is an integral part of this Class (Class 252), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. 
510 is an integral part of this Class (Class 252), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. 
502 is an integral part of this Class (Class 252), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. 
516 is an integral part of this Class (Class 252), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. 
254 IMPLEMENTS OR APPARATUS FOR APPLYING PUSHING OR PULLING FORCE 
257 ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES) 
264 PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES 
307 ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS 
310 ELECTRICAL GENERATOR OR MOTOR STRUCTURE 
320 ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING 
323 ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS 
324 ELECTRICITY: MEASURING AND TESTING 
327 MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS 
329 DEMODULATORS 
330 AMPLIFIERS 
331 OSCILLATORS 
332 MODULATORS 
333 WAVE TRANSMISSION LINES AND NETWORKS 
337 ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES 
340 COMMUNICATIONS: ELECTRICAL 
341 CODED DATA GENERATION OR CONVERSION 
342 COMMUNICATIONS: DIRECTIVE RADIO WAVE SYSTEMS AND DEVICES (E.G., RADAR, RADIO NAVIGATION) 
345 COMPUTER GRAPHICS PROCESSING, OPERATOR INTERFACE PROCESSING, AND SELECTIVE VISUAL DISPLAY SYSTEMS 
348 TELEVISION 
349 LIQUID CRYSTAL CELLS, ELEMENTS AND SYSTEMS 
356 OPTICS: MEASURING AND TESTING 
359 OPTICAL: SYSTEMS AND ELEMENTS 
361 ELECTRICITY: ELECTRICAL SYSTEMS AND DEVICES 
362 ILLUMINATION 
363 ELECTRIC POWER CONVERSION SYSTEMS 
370 MULTIPLEX COMMUNICATIONS 
372 COHERENT LIGHT GENERATORS 
375 PULSE OR DIGITAL COMMUNICATIONS 
377 ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS 
379 TELEPHONIC COMMUNICATIONS 
380 CRYPTOGRAPHY 
382 IMAGE ANALYSIS 
385 OPTICAL WAVEGUIDES 
398 OPTICAL COMMUNICATIONS 
405 HYDRAULIC AND EARTH ENGINEERING 
422 CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING 
425 PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS 
427 COATING PROCESSES 
428 STOCK MATERIAL OR MISCELLANEOUS ARTICLES 
442 is an integral part of this Class (Class 428), as shown by the position of this box, and follows the schedule hierarchy of this Class, retaining all pertinent definitions and Class lines of this class. 
436 CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING 
438 SEMICONDUCTOR DEVICE MANUFACTURING: PROCESS 
439 ELECTRICAL CONNECTORS 
455 TELECOMMUNICATIONS 
501 COMPOSITIONS: CERAMIC 
522 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES 
526 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES 
528 SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES 
600 SURGERY 
606 SURGERY 
700 DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS 
701 DATA PROCESSING: VEHICLES, NAVIGATION, AND RELATIVE LOCATION 
702 DATA PROCESSING: MEASURING, CALIBRATING, OR TESTING 
707 DATA PROCESSING: DATABASE AND FILE MANAGEMENT OR DATA STRUCTURES 
709 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: MULTICOMPUTER DATA TRANSFERRING OR PLURAL PROCESSOR SYNCHRONIZATION 
710 ELECTRICAL COMPUTERS AND DIGITAL DATA PROCESSING SYSTEMS: INPUT/OUTPUT 
713 ELECTRICAL COMPUTERS AND DIGITAL PROCESSING SYSTEMS: SUPPORT 
714 ERROR DETECTION/CORRECTION AND FAULT DETECTION/RECOVERY 
715 DATA PROCESSING: PRESENTATION PROCESSING OF DOCUMENT 
717 DATA PROCESSING: SOFTWARE DEVELOPMENT, INSTALLATION, AND MANAGEMENT 
725 INTERACTIVE VIDEO DISTRIBUTION SYSTEMS 
