US PATENT SUBCLASS 428 / 645
.~.~ Pb-base 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}
615  DF  .~ Composite; i.e., plural, adjacent, spatially distinct metal components (e.g., layers, joint, etc.) {15}
645.~.~ Pb-base component

DEFINITION

Classification: 428/645

(under subclass 615) Subject matter in which a component has 40 percent or more of lead.

SEE OR SEARCH THIS CLASS, SUBCLASS:

643, to complete a search for lead-base components.