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US Patent 9428821 Gold alloys

Patent 9428821 was granted and assigned to Jostens on August, 2016 by the United States Patent and Trademark Office.

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Patent
Patent

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Current Assignee
Jostens
Jostens
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9428821
Date of Patent
August 30, 2016
Patent Application Number
12778868
Date Filed
May 12, 2010
Patent Primary Examiner
‌
Scott Kastler
Patent abstract

A gold alloy having, expressed by weight, about 24.5 to 25.5% Au, about 19.0 to 23.0% Ag, about 43.0 to 47.0% Cu, about 6.0 to 10.0% Zn, about 0.05 to 0.30% Si, and about 0.005 to 0.03% Ir. Alternatively, a alloy having, expressed by weight, about 16-17% Au, about 19-23% Ag, about 50-55% Cu, about 6-10% Zn, about 0.05-0.30% Si, and about 0.005-0.03% Ir.

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