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Patent application


The filing date of an application is important as it sets a cutoff date after ... jurisdictions, the right to a patent for an invention lies with the first person to file ... A filed application gen...

Issue Years and Patent Numbers


Feb 18, 2016 ... Table of Issue Years and Patent Numbers, for Selected Document .... Prior to that date, an estimated 9,957 patents had been issued. Defensive ...

Dating an Item by its Patent Number | eBay


The purpose of this guide is to help people date items that they think are old. If you have a patent number on an item, you can approximately date it using the ...

Biddington's: US Patent Numbers Chart for Dating Antiques and ...


Biddington's provides a list of US patent numbers cross-referenced with the dates they were issued to help in determining the age of antiques & collectibles.

Advanced Patent Search - Google


Advanced Patent Search, About Google ... Patent number, Return patents with the patent number. Title, Return patents with ... Restrict by filing date. Restrict by ...

U. S. Patent Date List : Robinsons Antiques


U.S. patent date chart. this chart will help you find the year an item was patented if you know the patent number, also design patents. Brought to you by ...

Patent Number Chart - at 925-1000.com


U.S. Patent Number Dating Chart ... U.S. Utility Patent Numbers 1836 - 2000. 1836 ~ 1 - 109; 1837 ~ 110 - ... These patents protect solely the appearance of an  ...

DATAMP Patents By Year


Patent Date: ... This table shows the number of the first patent in the DATAMP database for each year, broken ... Year, Utility, Reissue, Design, X, AI, Patents.



The simplest search is where you already know the patent number. ... Patents are searchable there by inventor, manufacturer, issue date- include a partial date, ...

Dating Instruments Using Patent Numbers - Mugwumps


If you have ever had trouble dating old instruments, this list may be a help. It shows the first patent number issued in each year, so if you have a patent number, ...

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Patent/Date Chart


US Patent No./Date Reference Table. Year Patent # Year Patent # -------------------- ----- ----------------------------- 1836 1 - 109 1900 640,167 - 664,826 1837 110 ...

How to Use Patent Numbers to Date Antiques and Collectibles


Biddington's provides a list of patent numbers cross-referenced with the dates they were issued to help in determining the age of antiques and collectibles.

Brown & Michaels - How to read a patent front page


See section (22) for the number and issue date of that patent. The Reissue Patent has been examined and issued again with modifications to the claims.