US PATENT SUBCLASS 428 / 623
.~.~.~.~ Adjacent to each other

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}
622  DF  .~.~.~ More than one such component {1}
623.~.~.~.~ Adjacent to each other

DEFINITION

Classification: 428/623

(under subclass 622) Subject matter in which the components having nonmetal matrices are next to each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

411+, for the specific combinations of nonmetal components.