US PATENT SUBCLASS 501 / 115
.~.~.~.~.~ Fused cast or fused material containing

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

1  DF  CERAMIC COMPOSITIONS {15}
94  DF  .~ Refractory {8}
108  DF  .~.~ Magnesium compound containing {7}
112  DF  .~.~.~ And iron compound {2}
114  DF  .~.~.~.~ And chromium compound {2}
115.~.~.~.~.~ Fused cast or fused material containing

DEFINITION

Classification: 501/115

Fused cast or fused material containing:

(under subclass 114) Subject matter wherein the composition is in solid block form or a portion of the composition is comprised of previously fused material.