US PATENT SUBCLASS 420 / 435
COBALT BASE

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

435COBALT BASE {1}
436  DF  .~> Chromium containing {3}

DEFINITION

Classification: 420/435

COBALT BASE:

(under the class definition) Alloy, or metallic composition which contains over 50 percent of cobalt.