Searching for American Trademark For Platinum Jewelry information? Follow the links below to find all the information you need and more.
https://www.liveabout.com/platinum-jewelry-information-2043747
Aug 17, 2017 · Jewelry that contains at least 950 parts per thousand of platinum group metals, with at least 500 parts per thousand of the total pure platinum, may be marked as platinum as long as the numbers of each metal are disclosed.
https://www.invaluable.com/blog/guide-to-jewelry-marks/
Apr 06, 2020 · When considering platinum jewelry, the purity mark “950” denotes a composition of 95 percent platinum with a mix of other metal alloys, while “900” is made up of 90 percent platinum, and “850” has 85 percent platinum.
https://www.upcounsel.com/jewelry-trademarks
Platinum is usually stamped with the abbreviation PLAT or PT. Gold-filled jewelry is covered with a layer of at least 10-karat gold, and it's often stamped with G.F. or R.G.F. G.E. stands for Gold Electroplate. Pure gold is 24 karats, and it's stamped with 999 or 24k.
https://www.leaf.tv/articles/what-are-some-identifying-marks-on-a-platinum-ring/
English and French jewelry makers have used hallmarks since the 14th century, but American makers have never used them on platinum per se. French jewelry makers utilized the eagle head and dog head hallmarks for platinum after 1910, when they formally recognized it as a precious metal.
https://www.tentwothree.com/platinum_jewelry_information.asp
Platinum, rhodium and palladium are the most frequent ores used in platinum jewelry. Platinum is one of the heaviest metals used to make estate jewelry. The metal was first discovered in 1557. In the 1700's platinum was discovered in South America. The word platinum is derived from the Spanish word "plata", which means silver.
https://www.globalgemology.com/a.html
Information: Alice Caviness Jewelry was founded by Alice Caviness in the 1940s, in Long Island, New York. She was later joined by her husband, Jules Junquerra. She imported German-made silver and vermeil pieces in addition to the jewelry produced in her U.S.-based shop. Worked primarily in silver and costume jewelry.
https://mjsa.org/publicationsmedia/compliance_guides/stamping_and_marking
• If a jewelry maker wants to stamp jewelry by its quality or "fineness" (e.g., "14 gold," "925 sterling silver," or "950 platinum"), then, in addition to the fineness stamp, the maker must stamp the metal with its federally registered trademark.
https://www.langantiques.com/university/hallmarks-on-period-jewelry/
From 1884 to present, golden jewelry objects can be of any alloy and usually carry only the maker’s mark and a purity mark. The purity mark can be a numerical in thousands as 585 for 14 karat gold or indicated in karats, like 18k or both combined into one mark. For silver jewelry…
https://www.globalgemology.com/b.html
BENHAM JEWELRY Hallmark(s): "BJC", "B.J." Information: Benham Jewelry Corp. was founded in the 1980s by Samuel Benham, in New York. Draws inspiration from Balinese and Thai jewelry designs. Works primarily in gold and silver.
https://eragem.com/news/the-history-of-platinum-jewelry/
Dec 02, 2013 · The Japanese began to clamor for platinum jewelry first, esteeming the white metal for its purity. Slowly, over the following three decades, platinum jewelry began tits resurgence throughout Europe, first in Germany, then Switzerland and Italy, then the UK. Finally, in the 1990s, it gained in popularity in the US and China.
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