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https://www.etsy.com/market/pat_pend_jewelry
Did you scroll all this way to get facts about pat pend jewelry? Well you're in luck, because here they come. There are 720 pat pend jewelry for sale on Etsy, and they cost $32.02 on average. The most common pat pend jewelry material is metal. The most …
https://www.etsy.com/market/pat_pend
Napier Gold Plated Choker Necklace, Stamped Pat Pend, 1980s Vintage Jewelry UncoveringVintage. From shop UncoveringVintage. 5 out of 5 stars (224) 224 reviews $ 69.00 FREE shipping Only 1 available and it's in 2 people's carts. Favorite Add to ...
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https://www.myclassicjewelry.com/Trifari/Marks/TrifariMarks02.htm
Trifari PAT. PEND. This is one of the earliest Trifari marks you will see (there were a couple of earlier signatures, but they are quite rare). Prior to 1955 the U.S. copyright law did not extend protection to jewelry designs, so the major manufacturers, who employed talented jewelry designers, protected their investment with U.S. patents.
https://www.upcounsel.com/jewelry-patents
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. Once the patent was approved, businesses could add their patent numbers to their jewelry.
http://www.midcenturyjewelry.com/tag/patent-pending/
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.
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