US PATENT SUBCLASS 427 / 249.4
.~.~.~ Inorganic carbon base (e.g., graphite, etc.)

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

248.1  DF  COATING BY VAPOR, GAS, OR SMOKE {9}
249.1  DF  .~ Carbon or carbide coating {8}
249.3  DF  .~.~ Fiber or fibrous web or sheet base (e.g., strand, filament, fabric, cloth, etc.) {1}
249.4.~.~.~ Inorganic carbon base (e.g., graphite, etc.)

DEFINITION

Classification: 427/249.4

Inorganic carbon base (e.g., graphite, etc.):

(under subclass 249.3) Process wherein the base (i.e., fiber, fibrous web or sheet) is inorganic carbon.

SEE OR SEARCH CLASS

260, Chemistry of Carbon Compounds, the class definition for the definition of an "organic compound." All compounds not encompassed by this definition are considered inorganic.