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US 12,618,123 B2Granted
Piece of jewelry
AssigneeEgf—Eduard G. Fidel GmbH
InventorsKai-F. Binder, Avni Bajraktari
Life of this patent
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Abstract
A piece of jewelry having a copper-containing gold alloy consists of 58.5 to 58.7 wt. % gold, 26.9 to 32.6 wt. % copper, 5.7 to 10.7 wt. % silver, 1.0 to 3.0 wt. % palladium, and a remainder containing 0.7 to 2.2 wt. % zinc.
Claims10
A piece of jewelry, comprising:
- a jewelry body made of a copper-containing gold alloy, wherein the gold alloy consists of
- 58.5 to 58.7 wt. % gold,
- 26.9 to 29.5 wt. % copper,
- 5.7 to 10.7 wt. % silver,
- 1.0 to 3.0 wt. % palladium, and
- a balance having 0.7 to 2.2 wt. % zinc based on the total composition,
- wherein the gold alloy has a champagne color.
4 more elements
Dependencies are inferred from the claim text.