US PATENT SUBCLASS 420 / 3
.~.~ Uranium base

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

1  DF  RADIOACTIVE {5}
2  DF  .~ Actinide base; singly or in combination {1}
3.~.~ Uranium base

DEFINITION

Classification: 420/3

Uranium base:

(under subclass 2) Alloy or metallic composition which contains over 50 percent uranium.