Discoloration resistant gold alloy and method of production thereof
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United States of America Patent
Stats
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Feb 6, 2024
Grant Date -
Dec 10, 2020
app pub date -
Mar 14, 2019
filing date -
Mar 15, 2018
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A discoloration resistant Gold alloy for jewelry characterized in that it comprises in weight:
- Gold, in the amount comprised between 755‰ and 770‰,Copper, in the amount comprised between 165‰ and 183‰,Silver, in the amount comprised between 28‰ and 50‰,Palladium, in the amount comprised between 19‰ and 23‰ andIron, in the amount comprised between 2‰ and 6‰.and characterized by the absence of Vanadium.
First Claim
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International Classification(s)
- 2019 Application Filing Year
- A44C Class
- 249 Applications Filed
- 172 Patents Issued To-Date
- 69.08 % Issued To-Date
Cited Art Landscape
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- 0 Citation Count
- A44C Class
- 0 % this patent is cited more than
- 1 Age
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| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Aug 6, 2027 |
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