How to find old patent numbers

That's what the pen and paper were for — now practice writing the inventor's name in the right way.

how to find old patent numbers

It consolidates the prior art cited by all participating offices for the family members of a patent application, thus enabling the search results for the same invention produced by several offices to be visualized on a single page. The PatFT holds full-text patents issued from 1976 to the present.

Patents and Trademarks

Unanswered Questions. Name optional. For patents issued after 1975: Boolean operators, however, should be in all caps. Trace changes in patent ownership using the Patent Assignment Search.

Patents: A How-To-Find Guide

Patents U. Erin Thomas. Search for Full-Text and Image versions of patent applications. A detailed Patent Technology Monitoring Team report, titled Issue Dates and Patent Numbers Since 1836 , which contains first patent numbers and the day of issue for patents issued since 1963, also may be of interest.

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how to find old patent numbers

Annual Report of the Commissioner of Patents A 1. I need more information.

How to Search for Patents by Inventor

Updated March 15, 2018. Method 2. You may also want to brainstorm words to describe the invention or technology. Subject-Matter Index of Patents vol. See this important information about searching for patents:. How to Conduct a Preliminary U. Steps for Searching Many researchers mistakenly think that all searching can be done electronically — and this is essentially true for U.

how to find old patent numbers

Prior to that date, an estimated 9,957 patents had been issued. For other assistance, please see our contact us page.

how to find old patent numbers

Find a few more inventor's names to practice with.