US PATENT SUBCLASS 428 / 293.4
.~.~ Fiber embedded in a ceramic, glass, or carbon matrix

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

221  DF  WEB OR SHEET CONTAINING STRUCTURALLY DEFINED ELEMENT OR COMPONENT {9}
292.1  DF  .~ Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity {7}
293.4.~.~ Fiber embedded in a ceramic, glass, or carbon matrix {2}
293.7  DF  .~.~.~> Fibers are aligned substantially parallel {1}
294.4  DF  .~.~.~> Free metal or alloy fiber

DEFINITION

Classification: 428/293.4

Fiber embedded in a ceramic, glass, or carbon matrix:

(under subclass 292.1) Subject matter wherein the web or sheet comprises a ceramic, glass, or carbon matrix having fibers embedded therein.