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Term of patent in the United States

en.wikipedia.org/wiki/Term_of_patent_in_the_United_States

In the United States, under current patent law, the term of patent, provided that maintenance ... 1995 and for patents that were still in force on June 8, 1995, the patent term is either 17 years fr...

Issue Years and Patent Numbers

www.uspto.gov/web/offices/ac/ido/oeip/taf/issuyear.htm

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 ...

U. S. Patent Dates - Old Stuff Only

www.oldstuffonly.com/patent_dates.asp

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 ...

U. S. Patent Date List : Robinsons Antiques

robinsonsantiques.com/patent.htm

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 ...

How to Use Patent Numbers to Date Antiques and Collectibles

www.biddingtons.com/content/investingpatent.html

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

www.bpmlegal.com/howtopat1.html

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.

How to do a search on a U.S. Patent - Phoenixmasonry

www.phoenixmasonry.org/patent_search.htm

If you have the number of a U.S. patent and would like to see the patent ... If you only have a pre-1976 patent date, you also may be able to find the patent if you ...

Patent Issue Dates - DATAMP

www.datamp.org/patents/search/patentsByYear.php

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.

Patent Dates - AOP Community Resources

learn.articleonepartners.com/patent-dates/

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 ...

Patent Number Dates - Online Encyclopedia of Silver Marks ...

www.925-1000.com/patent.html

U.S. Utility Patent Numbers 1836 - 2000. 1836 ~ 1 - 109; 1837 ~ 110 - 545; 1838 ~ 546 - 1,105; 1839 ~ 1,106 - 1,464; 1840 ~ 1,465 - 1,922; 1841 ~ 1,923 - 2,412 ...

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Patent/Date Chart

community.pressenter.net

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

Dating an Item by its Patent Number | eBay

www.ebay.com

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 ...

www.biddingtons.com

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.