The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 2025
Filed:
Jul. 23, 2021
Applicant:
Montres Breguet SA, L'Abbaye, CH;
Inventors:
Assignee:
MONTRES BREGUET SA, L'Abbaye, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C22C 5/02 (2006.01); A44C 27/00 (2006.01); G04B 37/22 (2006.01);
U.S. Cl.
CPC ...
C22C 5/02 (2013.01); A44C 27/003 (2013.01); G04B 37/22 (2013.01);
Abstract
A gold alloy may contain, by weight, between 73% and 77% of gold, between 5% and 11% of silver, between 1% and 7% of palladium, and between 10% and 18% of copper. The gold alloy may include iridium, rhenium, and/or ruthenium in up to 0.05 wt. %. The gold alloy may have an a* value in a range of from 3 to 9, and a b* value in a range of from 12 to 18, in CIELAB color space. A timepiece, piece of jewelry, or gemstone jewelry, may be made of such a gold alloy.