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https://www.etsy.com/market/pat_pend_jewelry
Vintage Crown Trifari Pat Pend Gold Plated Star Flower Brooch Pin Crystal Round Baguette Rhinestone, Vintage Early Trifari Jewelry, aDashofHappy. 5 out of 5 stars. (666) $29.99. Only 1 available and it's in 2 people's carts. Favorite. Add to.
https://www.etsy.com/market/pat_pend_marked
Anson Cuff Links and Tie Clip, Raspberry Lucite, Marked Anson Pat Pend, Groom Jewelry Set, Pink and Gold Wedding EscapadeCollections 5 out of 5 stars (84) $ 29.00 FREE shipping Add to Favorites Rare Vintage Enamel Rhinestone Swallow Bird Brooch Marked Coro Des Pat Pend BluePlateSpecial2005 5 out of 5 ...
https://www.myclassicjewelry.com/Trifari/Marks/TrifariMarks02.htm
As soon as a design was completed, it was submitted to the U.S. patent office and a patent was applied for. This process normally took a few months, so the jewelry would be stamped "PAT. PEND." or "DES. PAT. PEND." to advise that a patent application for the design was filed (see photo on left).
https://www.myclassicjewelry.com/blog/vintage-jewelry-patents/
Sep 05, 2014 · This process could sometimes take months, so once the patent design and specifications were submitted, companies would mark their jewelry “PAT. PEND.” or “DESIGN PAT. PEND.” (sometimes “DES. PAT. PEND.”) to indicate that the patent had …
https://www.starcojewellers.com.au/w-jewelry/what-does-pat-pend-mean-on-jewelry.html
Nov 09, 2020 · The patent process could take several months, so companies marked their patent-pending jewelry “PAT. PEND.,” “DESIGN PAT. PEND.,” or “DES. PAT. PEND.” after submitting a patent application to let people know that it was waiting for approval.
https://www.etsy.com/market/marked_pat_pend
Check out our marked pat pend selection for the very best in unique or custom, handmade pieces from our shops.
https://www.etsy.com/market/pat_pend_earrings
T62 Vintage Pat. Pend. Marked Clear Rhinestones Clip On Earrings. RecalledTreasures 5 out of 5 stars (591) Sale Price $ ... Vintage chunky leaf clip on earrings Gold tone wreath earrings Pat pend jewelry Statement antique jewelry Retro bridal earrings InVintageMood 5 out of 5 …
https://www.worthpoint.com/dictionary/p/jewelry/-american/trifari
Jul 13, 2021 · Sometimes the abbreviations Pat. Pend. or Copr. were used as well. Sterling silver was used to craft Trifari jewelry from 1942 through 1947, and those pieces are marked as such. Using patent records vintage advertising, you can more accurately date Trifari pieces that have the crown mark.
http://www.midcenturyjewelry.com/tag/patent-pending/
May 13, 2009 · Patenting as a practice died out in the early 1950s and the heyday of patented costume jewelry was from the 1920s-1940s. The Trifari pin featured above is patented and is dated to 1953. These sites can help you determine who manufactured and sold a piece of jewelry, the name of the designer, the date of patent, as well as other details.
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 . Mark: COPR. Trifari Pat. Pend. — 1948 Photo Rita Perloff; Info Robin Deutsch
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