US PATENT SUBCLASS 428 / 565
.~.~.~ Nonmetal particles in a component

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

544  DF  ALL METAL OR WITH ADJACENT METALS {31}
546  DF  .~ Having metal particles {4}
548  DF  .~.~ Composite; i.e., plural, adjacent, spatially distinct metal components (e.g., layers, etc.) {5}
565.~.~.~ Nonmetal particles in a component

DEFINITION

Classification: 428/565

(under subclass 458) Subject matter in which a component contains nonmetal particles.

(1) Note. The inclusion in a component of metal particles which themselves contain a dispersed nonmetal, e.g., steel with carbon content, is not sufficient for placement in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

556, for a composite having plural adjacent nonparticulate metal components and a particulate component which includes a nonmetal.

SEE OR SEARCH CLASS

51, Abrasive Tool Making Process, Material, or Composition, particularly

309, for process of making an abrading tool involving metal or metal oxide composition.