US PATENT SUBCLASS 428 / 396
.~.~.~ 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}
375  DF  .~.~ Coated or with bond, impregnation or core {7}
396.~.~.~ Impregnation

DEFINITION

Classification: 428/396

(under subclass 375) Product in which the fiber, strand, rod or filament is either partially or completely saturated with an extraneous material.

(1) Note. Excluded from this subclass is a rod, strand, fiber or filament which is merely impregnated with or has associated therein or therewith a material without any specified indication as to the depth of impregnation or other structure; such a combination is classified on the basis of the composition e.g. for Classes 106, 520, etc.