Searching for Patent Dates Jewelry information? Follow the links below to find all the information you need and more.
https://www.myclassicjewelry.com/blog/vintage-jewelry-patents/
Sep 05, 2014 · Vintage jewelry patents are a wonderful way to date vintage jewelry that was created prior to 1955. The documents provide illustrations (which are works of art in themselves), and filing and issue dates. Using the U.S. Patent and Trademark Site The U.S. Patent and Trademark Office has an extensive database of patents …
https://www.upcounsel.com/jewelry-patents
Nov 09, 2020 · The United States Patent and Trademark Office, or USPTO, has a large database containing patents that date all the way back to 1790. 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.
http://www.patent-search-information.com/jewelrypatents.html
Aug 17, 2014 · Jewelry patents are great sources of information for collectors and designers. Included listings of jewelry design patents are especially useful for collectors of vintage jewelry. Also use this site to search for more jewelry patents.
http://www.jewelrypatents.com/
Vintage Jewelry Patents ... Add to the Archives » Search (each addition narrows search) Text: Date: to . Pat. #: to . Resources (more info on the web) Researching Costume Jewelry (by Illusion Jewels) Jewel Chat Magazine (on Morning Glory Antiques) Eclectic Vintage (Jewelry Research & …
http://www.biddingtons.com/content/patentchart.html
United States Patent Dates and Numbers 1836-1990 The United States Patent Office started issuing patent numbers in 1836. An amazing variety of 19th and 20th century American antiques, jewelry and collectibles are marked with the patent number identifying the year that the object was patented.
https://www.myclassicjewelry.com/blog/vintage-jewelry-hardware/
Sep 20, 2014 · Part 3: Vintage Jewelry Patents: Find and Use them to Date Vintage Jewelry. So let’s get started learning about vintage jewelry hardware. Vintage and Antique Brooch Clasps. The earliest type of brooch clasp is a simple hook, also known as the C-clasp, since the hook is shaped like the letter “C.” It was used well into the 1930s.
https://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 number of 1,941,448 on it, you will find in the chart below that it was patented in 1933. Production of the item probably started that year.
https://www.costumejewelrycollectors.com/vintage-costume-jewelry-research/costume-jewelry-marks/researching-costume-jewelry-history-companies-and-signatures-11/
Aug 24, 2019 · They are often seen with just the patent date. Mark: Trifari –elongated–used since Dec. 1937. Mark: Trifari printed in tall, slim version, crown silhouette above the “T” — 1930’s–1940’s .
http://www.uspto.gov/web/offices/ac/ido/oeip/taf/issuyear.htm
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. In addition, the Patent and Trademark Office has a file that lists all patent numbers and their associated dates of grant.
http://www.midcenturyjewelry.com/tag/patent-pending/
The sites are organized by jewelry maker and dates, along with design drawings and patent dates. www.jewelrypatents.com. www.vintagejewelrypatents.com. Also, if you want to see a site with loads of high-end magnificent costume jewelry that was produced during the hey-day of …
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