US PATENT SUBCLASS 420 / 504
.~.~ Zinc, or cadmium containing

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

501  DF  SILVER BASE {3}
502  DF  .~ Copper containing {2}
504.~.~ Zinc, or cadmium containing

DEFINITION

Classification: 420/504

Zinc or cadmium containing:

(under subclass 502) Alloy, or metallic composition which additionally contains at least one of the metals zinc, or cadmium.