Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived.
Note: The Patent
and Trademark Depository Library Program (PTDLP) administers a nationwide
network of public, state and academic libraries designated as Patent and
Trademark Depository Libraries authorized by 35 U.S.C. 13 to: Disseminate
Patent and Trademark Information Support Diverse Intellectual Property
Needs of the Public
Contact: United States Patent and Trademark Office - PTDLP Crystal Park
3, Suite 481 Washington, DC 20231 Fax: (703) 306-2662
Note: For information/comments on electronic information products, such
as purchasing USPTO data, or to discuss system requirements for magnetic
tape products, contact:
Information Products Division -- U.S. Patent and Trademark Office
Information Products Division
PK3- Suite 441 Washington, DC 20231
tel: (703) 306-2600 FAX: (703) 306-2737 email: oeip@uspto.gov
The Inventors
Assistance Center is available to help you on patent
matters.Send questions about USPTO programs and services
to theUSPTO
Contact Center (UCC). You can suggest USPTO webpages
or material you would like featured on this section by E-mail
to the webmaster@uspto.gov.
While we cannot promise to accommodate all requests, your suggestions
will be considered and may lead to other improvements on the
website.
![[Search a list of Patent Appplications for class 372]](../as.gif)
Class 372![[List of Patents for class 372 subclass 1]](../ps.gif)
Q-switch 
Absorption type 
Rotating mirror 
Transverse junction