US PATENT SUBCLASS 501 / 91
.~.~.~ And different carbide

Current as of: June, 1999
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501 /   HD   COMPOSITIONS: CERAMIC

1  DF  CERAMIC COMPOSITIONS {15}
87  DF  .~ Carbide or oxycarbide containing {2}
88  DF  .~.~ Silicon carbide {4}
91.~.~.~ And different carbide

DEFINITION

Classification: 501/91

And different carbide:

(under subclass 88) Compositions which contain a carbide of an element other than silicon in addition to the silicon carbide.