US PATENT SUBCLASS 428 / 653
.~.~.~.~ Fe

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}
650  DF  .~.~ Al-base component {3}
652  DF  .~.~.~ Next to Group VIII or IB metal-base component {1}
653.~.~.~.~ Fe

DEFINITION

Classification: 428/653

(under subclass 652) Subject matter in which the Group VIII metal is iron.

(1) Note. Patents classified herein are not cross-referenced to subclasses 681+ on the basis of the Al/Fe interface.

SEE OR SEARCH CLASS

420, Alloys or Metallic Compositions,

77+, and 103 for iron-aluminum alloys.