US PATENT SUBCLASS 428 / 676
.~.~.~.~.~ Next to Fe-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}
655  DF  .~.~ Transition metal-base component {4}
668  DF  .~.~.~ Group VIII or IB metal-base component {10}
674  DF  .~.~.~.~ Cu-base component {2}
676.~.~.~.~.~ Next to Fe-base component {1}
677  DF  .~.~.~.~.~.~> Fe-base has 0.01-1.7% carbon (i.e., steel)

DEFINITION

Classification: 428/676

(under subclass 674) Subject matter in which the copper-base

component is adjacent a component containing 40 percent or more of iron.

(1) Note. Patents classified herein are not cross-referenced to subclasses 678 or 681 on the basis of the Cu-Fe interface.