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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. ... BRITISH PATENT NUMBER SEARCH · United States Patent and Trademark Office

Patent Sites for Collectors - Patent Search Information

www.patent-search-information.com/collectors.html

Aug 17, 2014 ... Shows how collectors can use patents as great resources to learn more ... done the research to locate the patents for collectible and antique items. ... a patent was issued when you find a patent number on a collectible item.

Issue Years and Patent Numbers

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

Feb 18, 2016 ... Table of Issue Years and Patent Numbers, .... That file may be accessed from: http://www.uspto.gov/patents-application-process/patent-search/ ...

How to Look Up Patent Numbers Online - Midwest Antique Fruit Jar ...

www.fruitjar.org/Patent Numbers Online.htm

Have you ever run across a bottle, or other antique, with a patent number stamped on it ... q On the page that pops up, under “Services,” click on “Search Patents.

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 ... U.S. Patent search link above takes you off RobinsonsAntiques.com site. English Registry ...

How to use US Patents to Identify Age and other Information ...

www.antiquebottles-glass.com/learn/how-to-use-patents/

Oct 20, 2010 ... Patent Information found on antique bottles can be an excellent ... to check the patent number on your bottle with the following patent date chart.

Vintage Jewelry Patents: Find and Use them to Date Vintage ...

www.myclassicjewelry.com/blog/vintage-jewelry-patents/

Sep 5, 2014 ... Where to find vintage jewelry patents, how to use them, and links to patent sites. ... In the “PATENTS” menu there is a “Patent Search” link, which ... Because they are images, you need to have the patent number to locate them.

How can you look up a patent number? | Reference.com

www.reference.com/government-politics/can-look-up-patent-number-408fa8cecdbf2a48

If you have a general description of the invention and need to locate the patent number, enter search terms in the search box in the top right corner of the ...

Dating an Item by its Patent Number | eBay

www.ebay.com/gds/Dating-an-Item-by-its-Patent-Number-/10000000003577309/g.html

Below is the year of the of the first patent number. By looking at the patent number and figuring out what years it was patented one can date an antique. Although ...

Jewelry Patents

www.jewelrypatents.com/

You may browse our patent archive by selecting the appropriate browse method ( by Company, Category, Issue Date, or Patent Number). You can also search ...