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https://www.myclassicjewelry.com/blog/vintage-jewelry-patents/
Sep 05, 2014 · Note that Design patents, which includes vintage jewelry patents, must begin with the capital letter “D” followed by a 7-digit number. If your patent number is only 6-digits, add a leading zero, as shown in the illustration below.
https://www.jewelrypatents.com/
Patent Nos. 2,085,000-2,085,999. Patent Nos. 2,117,000-2,117,999. Patent Nos. 2,119,000-2,119,999. Patent Nos. 2,143,000-2,143,999. Patent Nos. 2,228,000-2,228,999. Patent Nos. 3,309,000-3,309,999. © 2013 Pretty Snazzy Jewelry & Supplies. JewelryPatents.com is hosted and maintained by Pretty Snazzy Jewelry & Supplies.
https://www.upcounsel.com/jewelry-patents
Nov 09, 2020 · If you know the patent number, it's an excellent way to find vintage or antique jewelry patents. Click on the "Search for Patents" link under the Patents menu near the top of the page to get started. Patents from before 1976 are stored as PDF files. Design patents, including jewelry patents, should start with the letter D and have seven numbers.Estimated Reading Time: 9 mins
http://www.patent-search-information.com/jewelrypatents.html
Aug 17, 2014 · Jewelry design patents are a great source of information. Design patents are used to protect the appearance of a manufactured item. Design patents pertain to the appearance of the item and protect the way an item looks. Individual sections of the Patent Search Information Site detail how to find patents using free resources on the Web.
https://www.myclassicjewelry.com/blog/vintage-jewelry-marks/
Aug 15, 2014 · Patent and inventory numbers – government or company issued numbers to protect and track jewelry designs Vintage costume jewelry usually doesn’t have purity marks, but will often have a maker’s mark (commonly called the signature), and can sometimes have a retailer mark and/or patent or inventory marks.
https://www.costumejewelrycollectors.com/vintage-costume-jewelry-research/research-resources/mechanical-and-utility-jewelry-patents/vintage-jewelry-patents-2/
Aug 24, 2019 · Visit the US Patent Website! Also, visit Jewelry Patents, a large patent resource Jewelry Patents. Definitions: A Design Patent only protects the appearance of an article, not it’s structural or functional features, and is usually used for decorative items. A Utility Patent protects the structure and function of the invention.
https://www.youtube.com/watch?v=UeeemgltHSw
Jul 29, 2016 · www.thetiechest.com - Ever wonder what that patent number means on your piece of jewelry? How old is it? What what is made for? These are all questions that ...
http://www.biddingtons.com/content/investingpatent.html
What follows on this linked Biddington's page is a sort of vintage chart for patented objects: it cross-references the patent number with the year in which the patent was issued. If an item was produced over a long period of time, this chart will tell you the earliest date it could have been made .
https://www.etsy.com/market/patent_number
Vintage Brooch.Patent number 2996.Gold tone.Faux Pearl.Looks like Miriam Haskell.
https://www.costumejewelrycollectors.com/vintage-costume-jewelry-research/designers-manufaturers-and-styles/diamonbar-bracelets-the-men-who-made-them-by-barbara-schwartz-for-cjci/
Jun 16, 2015 · Diamonbar bracelets made with this patented construction are stamped with the date of the patent issue (in the form of 3 20 17) rather than the patent number, a practice that was not uncommon at that time.
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