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902.03(a) Patent Classification Home Page on the Internet [R-5] - 900 Prior Art, Classification, and Search
902.03(a) Patent Classification Home Page on the Internet [R-5]
The >Office of< Patent Classification Home Page address on the Internet is http://www.uspto.gov/web/offices/opc/. The site is the clearinghouse for classification information published in hyper-text mark-up language (HTML) and Adobe Acrobat portable document format (PDF) by the U.S. Patent and Trademark Office (USPTO). The site **>includes the following in HTML and PDF: (A) the Index to the U.S. Patent Classification system (USPC) (linked from "Classification Index, Patents"); (B) class definitions (linked from "Classification Definitions, Patents"); and (C) class schedules (linked from "Classification Manual, Patents").< The site integrates with the USPTO Patent Full-Text and Image Database site by allowing a search of a subclass by clicking on a patent icon in the classification schedules
and definitions which generates a search result in the USPTO Patent Full-Text and Image Database. The USPTO Patent Full-Text and Image Database provides full-text of all US patents issued since January 1, 1976, and full-page images of each page of every US patent issued since 1790. Therefore, it is possible to see every patent in a subclass by browsing the classification schedules using the Classification Home Page in combination with the USPTO Patent Full-Text and Image Database.
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