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Patents: Text & Images

The Science, Industry and Business Library (SIBL) has both onsite and web access to full text and images of historical and current United States patents.

U.S. Patents
USPTO website

U.S. Patents

The full text and images of US patents from 1790 to date are available at SIBL:

Desciption	Title//Years	Format/Location
Utitlity Patents	U. S. patents / 1790-1999	Microfilm *XFR-1 [Offsite]
Design Patents	U. S. design patents / 1842-1999	Microfilm *XFR-10 [Offsite]
Plant Patents	Plant pat. / United States Patent Office / 1931-1975	*VAC (United States. Patent Office. [Specifications and drawings of patents] Plant pat.)
Plant Patents [Microfiche: color illustrations]	1931-1995 [Patents No. 1 - 9,284]	Microfiche [Not in the catalog - Speak to a librarian for location of fiche].
Plant Patents	United States patent. Plant. 1976-1993	*VAC (United States. Patent Office. [Specifications and drawings of patents] Plant pat.)
Plant Patents	United States patent. Plant. 1994-current	JSM 99-245
Reissue Patents	CDR File (Corrections, Disclaimers, Reissues). 1838-1995	*XFR-2
Defensive Publications	Defensive Publications. 1975-1985	*XFR-20
Statutory Invention Registrations	United States Statutory Invention Registration	*XFR-23
Reexamination Certificates	CDR File (Corrections, Disclaimers, Reissues). 1981-1995	*XFR-2
U.S. patent documents on CD-ROM	USAPAT / 1994-1999	CD-ROM *WSC-421
U.S. patent documents on DVD-ROM	USAPAT / 1790 to current year	DVD-ROM *WSD-421

USPTO website

United States Patent and Trademark Office (www.uspto.gov)
Copies of patents, patent applications, and many other patent-related filings are available on the USPTO web site. Patent searching can be done directly on the USPTO's web site. Full text and images are available for patents from 1976 to the most recent Tuesday. Images, current classification numbers and patent numbers only are available for patents from 1790 to 1975. The USPTO's web page offers excellent information on all aspects of patents, including fee schedules, online versions of their most popular brochures, forms, and background information on patents.

For more information on depository libraries in your area see:
Patent and Trademark Depository Library Program (www.uspto.gov/go/ptdl)
The PTDLP's web page gives information on the libraries around the United States that collect patents and trademarks. To locate the PTDL nearest you, see the Linked List by State to Libraries.

Updated KJ 12/2008