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Patent application - Wikipedia


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

Issue Years and Patent Numbers


Feb 18, 2016 ... Prior to that date, an estimated 9,957 patents had been issued. ... titled Issue Dates and Patent Numbers Since 1836, which contains first patent ...

Patent/Date Chart


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

U. S. Patent Dates - Old Stuff Only


These dates are a handy reference that you may find useful for figuring out when an item was first produced. For example, if you find something with a patent ...

Patent Dates - AOP Community Resources


Each patent has a number of dates that can impact a patent's role in a Study. For the Study patent, the dates dictate the timeframe of the Study and the range of ...

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 ...

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 ...

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.

Advanced Patent Search - Google


Advanced Patent Search, About Google ... Original Assignee, Return patents with the original assignee name, First name, last name, ... Restrict by filing date

Patent Issue Dates - DATAMP


DATAMP Patents by Year. This table shows the number of the first patent in the DATAMP database for each year, broken down by patent type.