US PATENT SUBCLASS 428 / 372
.~.~ Including structurally defined particulate matter

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}
372.~.~ Including structurally defined particulate matter

DEFINITION

Classification: 428/372

(under subclass 364) Product having in addition particulate matter (e.g., chips, powder, granules, small grains, etc.) which is defined in some structural manner (e.g., shape,

size, arrangement, etc.).

(1) Note. See definition of subclass 357 for meaning and intent of "structurally defined".

SEE OR SEARCH THIS CLASS, SUBCLASS:

87, for a pile or nap type product including particulate matter which may be structurally defined.

143+, for a sheet* or web* which has a continuous but nonuniform surface finish caused by particulate matter which may be structurally defined.

195+, for a web* or sheet* which has a discontinuous or differential coating, impregnation or bond and which may contain particulate matter, and especially subclasses 206+ for a product as above and also having as part thereof particulate matter which may be structurally defined. 292.1+, and 323+, for a composite* web* in which one component* includes structurally defined fibers which may be small enough to qualify for particles and structurally defined particles, respectively.

306+, for a composite* web* or sheet* in which a component* includes particles which may or may not contain adhesive.

403+, for coated particulate matter.

SEE OR SEARCH CLASS

106, Compositions: Coating or Plastic, appropriate subclasses, especially

400+, for composition of particles, grains, etc., as provided for therein.

132, Toilet,

93, for a strand impregnated with an abrasive material (e.g., dental floss).

139, Textiles: Weaving,

425, for a woven fabric including metal particles in the texture.

174, Electricity: Conductors and Insulators, appropriate subclasses for a conduit, cable or conductor insulated with powdered or granular material.

451, Abrading, 526+, for a strand including an abrasive material.