Catalogue


Classification main menu [electronic resource].
imprint
Washington, D.C.: U.S. Patent and Trademark Office, 1997-
format(s)
Journal, Web Sites
More Details
previous title
pub. began/ended
Began in 2003?
imprint
Washington, D.C.: U.S. Patent and Trademark Office, 1997-
current frequency
Updated irregularly
contents note
Access patent classification info by class/subclass -- Search US Manual of Classification.
general note
Title from header title last updated Mar. 6, 2004 (viewed on Apr. 17, 2004).
abstract
Provides access to the US manual of classification and patent classification information. Contains FirstGov search engine.
catalogue key
9601318
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.

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