US PATENT SUBCLASS 420 / 109
.~.~.~.~ Vanadium, titanium or zirconium containing

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

8  DF  FERROUS (I.E., IRON BASE) {24}
104  DF  .~ Chromium containing, but less than 9 percent {4}
105  DF  .~.~ Molybdenum containing {5}
108  DF  .~.~.~ Nickel containing {1}
109.~.~.~.~ Vanadium, titanium or zirconium containing

DEFINITION

Classification: 420/109

Vanadium, titanium or zirconium containing:

(under subclass 108) Alloy or metallic composition which additionally contains or or more of vanadium, titanium or zirconium.