US PATENT SUBCLASS 420 / 505
.~ Other noble metal containing

Current as of: June, 1999
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420 /   HD   ALLOYS OR METALLIC COMPOSITIONS

501  DF  SILVER BASE {3}
505.~ Other noble metal containing

DEFINITION

Classification: 420/505

Other noble metal containing:

(under subclass 501) Alloy, or metallic composition which additionally contains at least one of the metals ruthenium, rhodium, palladium, osmium, iridium, platinum, or gold.