US PATENT SUBCLASS 277 / 938
.~.~ Carbon or graphite particle or filament

Current as of: June, 1999
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277 /   HD   SEAL FOR A JOINT OR JUNCTURE

935  DF  SEAL MADE OF A PARTICULAR MATERIAL {4}
936  DF  .~ Composite {2}
938.~.~ Carbon or graphite particle or filament

DEFINITION

Classification: 277/938

Carbon or graphite particle or filament:

(under subclass 936) A composite wherein the composite includes a piece or fiber of carbon to reinforce the seal structure.

SEE OR SEARCH CLASS

428, Stock Materials or Miscellaneous Articles, a residual class for a structurally defined stock material, nonstructural laminate, article of manufacture or intermediate article of manufacture, not provided for elsewhere;

367+, containing carbon as an element or compound, and consisting of or coating a rod, strand, filament or fiber.