US PATENT SUBCLASS 428 / 668
.~.~.~ Group VIII or IB metal-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.~.~.~ Group VIII or IB metal-base component {10}
669  DF  .~.~.~.~> Group IB metal-base component alternative to platinum group metal-base component (e.g., precious metal, etc.)
670  DF  .~.~.~.~> Platinum group metal-base component
671  DF  .~.~.~.~> Cu-base component alternative to Ag-, Au-, or Ni-base component*
672  DF  .~.~.~.~> Au-base component
673  DF  .~.~.~.~> Ag-base component
674  DF  .~.~.~.~> Cu-base component {2}
678  DF  .~.~.~.~> Co-, Fe-, or Ni-base components, alternative to each other*
679  DF  .~.~.~.~> Co- or Ni-base component next to Fe-base component
680  DF  .~.~.~.~> Ni-base component
681  DF  .~.~.~.~> Fe-base component {2}

DEFINITION

Classification: 428/668

(under subclass 655) Subject matter in which the transition metal is from Group VIII or IB of the periodic table.

(1) Note. For a list of metals included in this grouping, see the definition of subclass 637.

(2) Note. This subclass is the locus for patents having a cobalt-base component which are not properly placeable in subclasses 675, 678 and 679.

SEE OR SEARCH THIS CLASS, SUBCLASS:

657, 678 and 679, to complete a search for cobalt-base components.