US PATENT SUBCLASS 420 / 38
.~.~.~.~ Nickel containing


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

8  DF  FERROUS (I.E., IRON BASE) {24}
34  DF  .~ Nine percent or more chromium containing {14}
36  DF  .~.~ Cobalt containing {1}
37  DF  .~.~.~ Molybdenum or tungsten containing {2}
38.~.~.~.~ Nickel containing


DEFINITION

Classification: 420/38

Nickel containing:

(under subclass 37) Alloy or metallic composition which additionally contains nickel.