US PATENT SUBCLASS 428 / 550
.~.~.~ Porous 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}
550.~.~.~ Porous component

DEFINITION

Classification: 428/550

(under subclass 548) Subject matter in which a component has pores*.

(1) Note. Included herein are those products having pores or interconnected voids which are filled in only a portion of the product.

SEE OR SEARCH THIS CLASS, SUBCLASS:

566, for particulate metal stock-material* having an interconnected void structure.

613, for nonparticulate porous metallic* stock-material*.

SEE OR SEARCH CLASS

51, Abrasive Tool Making Process, Material, or Composition, particularly 296, for an abrasive tool making process including the step of forming pores or voids in the finished article, or compositions which form pores or voids therein.

74, Machine Element or Mechanism,

434, for porous metallic rotary bodies of that class.

252, Compositions,

12, for a porous bearing containing a fluent lubricant described by composition.