Jewelry alloy
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 28, 1981
Grant Date -
N/A
app pub date -
Aug 8, 1979
filing date -
Aug 8, 1979
priority date (Note) -
Expired
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Abstract
An alloy of gold, palladium, silver, copper, zinc and a small quantity of boron is provided to produce an alloy having a pleasing yellow color, high tarnish resistance and a hardness suitable for use as a material for rings and similar jewelry.
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