US PATENT SUBCLASS 428 / 629
.~.~.~.~ Oxide

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}
621  DF  .~.~ With additional, spatially distinct nonmetal component {7}
628  DF  .~.~.~ Component contains compound of adjacent metal {1}
629.~.~.~.~ Oxide

DEFINITION

Classification: 428/629

(under subclass 628) Subject matter in which the component is an oxide of the adjacent metal, e.g., an "anodizing coating".