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Classification main menu [electronic resource].

Additional Titles
Source title: Patent classification home page
Published
Washington, D.C. : U.S. Patent and Trademark Office, 1997-
Additional Creators
United States. Patent and Trademark Office
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Availability

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Restrictions on Access
Free-to-read Unrestricted online access
Contents
Access patent classification info by class/subclass -- Search US Manual of Classification.
Summary
Provides access to the US manual of classification and patent classification information. Contains FirstGov search engine.
Report Numbers
C 21.12:
Continues
Subject(s)
Publication Frequency
Updated irregularly
Note
Title from header title last updated Mar. 6, 2004 (viewed on Apr. 17, 2004).
Technical Details
Mode of access: Internet from the U.S.P.T.O. web site. Address as of 4/17/04: http://www.uspto.gov/web/patents/classification/; current access is available via PURL.
Action Note
committed to retain. Federal Depository Library Program (FDLP). For information on our retention commitment, please contact Microforms and Government Information.
View MARC record | catkey: 2709910