US PATENT SUBCLASS 428 / 368
.~.~.~ In coating or impregnation

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

357  DF  COATED OR STRUCTUALLY DEFINED FLAKE, PARTICLE, CELL, STRAND, STRAND PORTION, ROD, FILAMENT, MACROSCOPIC FIBER OR MASS THEREOF {5}
364  DF  .~ Rod, strand, filament or fiber {9}
367  DF  .~.~ Including free carbon or carbide or therewith (not as steel) {1}
368.~.~.~ In coating or impregnation

DEFINITION

Classification: 428/368

(under subclass 367) Product in which the free carbon or the compound thereof forms a covering for a rod, strand, filament or fiber.