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https://www.myclassicjewelry.com/blog/vintage-jewelry-patents/
Sep 05, 2014 · Introduction to Jewelry Patents. At one time, jewelry designs could not be copyrighted, so jewelry manufacturers protected their investment in their designs using patents. 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 been submitted and was pending …
https://www.myclassicjewelry.com/Trifari/Marks/TrifariMarks02.htm
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. 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 …
https://www.starcojewellers.com.au/w-jewelry/what-does-pat-pend-mean-on-jewelry.html
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.
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.Estimated Reading Time: 9 mins
https://www.etsy.com/market/coro_pat_pend
Vintage Signed Coro Des Pat Pend “Honore” Necklace Adolph Katz 1955 Pastel Rhinestones. MemoriesofMartha. 5 out of 5 stars. (338) $95.00 FREE shipping. Add to Favorites. Signed "CORO" w/ pat pend#. Vintage Mid Century Screw back Sparkly …
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.
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