US PATENT SUBCLASS 420 / 118
.~.~ Titanium, molybdenum, tungsten or vanadium containing

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

8  DF  FERROUS (I.E., IRON BASE) {24}
117  DF  .~ Two percent or more silicon containing {1}
118.~.~ Titanium, molybdenum, tungsten or vanadium containing

DEFINITION

Classification: 420/118

Titanium, molybdenum, tungsten or vanadium containing:

(under subclass 117) Alloy or metallic composition which additionally contains one or more of titanium, molybdenum, tungsten or vanadium.