How To Find Old Patents
Alphabetize of Patents
SIBL has this annual from 1872 to the concluding impress issue in 2002 (available electronically through 1973 from the Hathi Trust - keyword searchable, but only within the individual volumes). This title has been published under various names such equally Annual Report of the Commissioner of Patents (1838 - 1925 available electronically from the Hathi Trust) and General Alphabetize of the Official Gazette. The Alphabetize to Patents lists patents by inventor and assignee name and past general subject field. It provides the patent number, registration date, and the volume and page number where it can be institute in the Official Gazette.
Early Unnumbered United States Patents, 1790 to 1836
This one volume index is the especially prepared companion to the microfilm copies of the U.Due south.'s early on, unnumbered patents (i.e., those that were issued from 1790 to 1836). It lists these earliest patents past patent class, and then alphabetically past invention title and by event date. These lists requite the specific microfilm reel number where the total text, specifications, and drawings are located.
Name and Date Patents, July 31, 1790 - July 2, 1836 | *R-SIBL T223.V3 .N36
A listing of the earliest patents issued by the U.South. Patent Office prior to 1836. Sometimes referred to as the "10" patents from the numbering system applied to them on a retrospective ground. This resource lists the patents in date order, with name and blazon of invention. Copies bachelor to download here:
Patents x0001 - x1000 | Patents x1001 - x2000 | Patents x2001 - x3000 | Patents x3001 - x4000 | Patents x4001 - x5000 | Patents x5001 - x6000 | Patents x6001 - x7000 | Patents x7001 - x8000 | Patents x8001 - x9000 | Patents x9001 - x9902
Subject field-Matter Index of Patents ... 1790 to 1873
This iii volume set lists all patents granted from 1790 to 1873 alphabetically past the subject of the patent. It gives inventor's names, their residences, the registration date, and the patent number for those granted afterward 1836. There is no list by inventor proper name or registration engagement in this prepare. Available electronically from the Hathi Trust.
More information for each year can exist establish in the annual reports from the Commissioner of Patents, which are available in the 3 volumes listed beneath or, electronically, from 1838 - 1925 (incomplete) in the Hathi Trust.
Digest of Patents: 1790 to 1839 (also from Hathi Trust)
Digest of Patents: 1839 to 1841 (too from Hathi Trust)
List of Patents: 1790 to 1847 (also from Hathi Trust)
These volumes include reprinted copies of the annual reports prepared by the Commissioner of Patents from 1790 to 1847. The information in them varies, merely generally includes lists of the patents arranged alphabetically by subject of the patent or chronologically by issue date. TheEarly on Unnumbered United States Patents,1790 to 1836 andSubject area-Affair ndex of Patents ... 1790 to 1873 (described above) present all the bibliographic information included in these carve up volumes, but in a different format.
Found Patent Directory
Produced by the National Association of Found Patent Owners, this source indexes all plant patents granted from the beginning of the series in 1931 to 1993. It indexes constitute patents by institute patent number, plant species, plant denomination, originator (inventor), and assignee.
U.Due south. Patents - Text and Images
Other topics in this guide:
- Patent Indexes and Finding Aids
- Other Patent Resources
The states Patent and Trademark Office (www.uspto.gov)
Copies of patents, patent applications, and many other patent-related filings are bachelor on the USPTO spider web site. Patent searching tin can be done directly on the USPTO'southward web site. Full text and images are available for patents from 1976 to the about contempo Tuesday. Images, current classification numbers and patent numbers simply are bachelor for patents from 1790 to 1975. The USPTO'southward web page offers excellent information on all aspects of patents, including fee schedules, online versions of their most popular brochures, forms, and background data on patents.
In addition, U.S. patents are available from the European Patent Office's Espacenet website, and from Google Patents too as various other free and fee-based online resources.
The full text and images of Us patents from 1790 through 2022 in different formats are available from SIBL equally follows:
| Desciption | Championship//Years | Format/Location |
| Utitlity Patents | U. S. patents /1790-1999 | Microfilm *XFR-1 [Offsite] |
| Design Patents | U. South. design patents / 1842-1999 | Microfilm *XFR-10 [Offsite] |
| Plant Patents | Constitute pat. / United States Patent Part / 1931-1975 | *VAC (U.s.a.. Patent Office. [Specifications and drawings of patents] Establish pat.) |
| Found Patents [Microfiche: color illustrations] | 1931-1995 [Patents No. 1 - 9,284] | Microfiche [Not in CATNYP - Speak to a librarian for location of fiche]. |
| Plant Patents | United States patent. Plant. 1976-1993 | *VAC (United States. Patent Function. [Specifications and drawings of patents] Establish pat.) |
| Establish Patents | U.s. patent. Found. 1994-current | JSM 99-245 |
| Reissue Patents | CDR File (Corrections, Disclaimers, Reissues). 1838-1995 | *XFR-two |
| Defensive Publications | Defensive Publications. 1975-1985 | *XFR-20 |
| Statutory Invention Registrations | The 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.Due south. patent documents on DVD-ROM | USAPAT / 1790 to 2022 | DVD-ROM *WSD-421 |
Source: https://libguides.nypl.org/patents/historical_patents
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