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Federal
Cooperative Patent Classification (CPC) Master Classification File (MCF) for U.S. Patent Applications (2001 - Present)
Department of Commerce —
Contains Cooperative Patent Classification (CPC) classification information for all Utility patent applications published by the U.S. Patent and Trademark Office... -
Federal
Pftaps19760113 Wk02
Department of Commerce —
Patent Full Text/Automated Patent System (APS) (Green Book) for one week's worth of data January 13, 1976 (Week 02). -
Federal
Pftaps19760106 Wk01
Department of Commerce —
Patent Full Text/Automated Patent System (APS) (Green Book) for one week's worth of data January 6, 1976 (Week 01). -
Federal
Cooperative Patent Classification (CPC) Master Classification File (MCF) for U.S. Patent Grants (1790 - Present)
Department of Commerce —
Contains Cooperative Patent Classification (CPC) classification information for all Utility patent grants issued by the U.S. Patent and Trademark Office (USPTO) from...