US PATENT SUBCLASS 428 / 662
.~.~.~.~ Group VB 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}
660  DF  .~.~.~ Refractory (Group IVB, VB, or VIB) metal-base component {3}
662.~.~.~.~ Group VB metal-base component

DEFINITION

Classification: 428/662

(under subclass 660) Subject matter in which a composite has a component comprising 40 percent or more of one or more of vanadium, niobium (columbium), or tantalum.

(1) Note. Niobium stannite is a niobium-base alloy.

SEE OR SEARCH THIS CLASS, SUBCLASS:

656, and 661, to complete a search for Group VB metal-base components.