US PATENT SUBCLASS 75 / 242
.~.~.~.~.~ Free metal is Iron(Fe), Cobalt(Co), or Nickel(Ni) only

Current as of: June, 1999
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75 /   HD   SPECIALIZED METALLURGICAL PROCESSES, COMPOSITIONS FOR USE THEREIN, CONSOLIDATED METAL POWDER COMPOSITIONS, AND LOOSE METAL PARTICULATE MIXTURES

300  DF  COMPOSITIONS {5}
228  DF  .~ Consolidated metal powder compositions {4}
230  DF  .~.~ With nonmetal constituent - Silicon(Si) considered a metal (e.g., cermet, etc.) {5}
236  DF  .~.~.~ Carbide containing {4}
241  DF  .~.~.~.~ Carbon(C) associated with more than one metal {1}
242.~.~.~.~.~ Free metal is Iron(Fe), Cobalt(Co), or Nickel(Ni) only

DEFINITION

Classification: 75/242

Free metal is Iron (Fe), Cobalt (Co), or Nickel (Ni) only:

(under subclass 241) Composition in which the only permissible free (e.g., "cementing") metal is one or more of iron, cobalt and nickel.

(1) Note. Where other free metals are permitted in the composition, the patent is classified in subclass 241 and is not cross-referenced to this subclass (242).

SEE OR SEARCH THIS CLASS, SUBCLASS:

241, for compositions in which the binder may contain other metals in addition to, or alternatively to, Iron (Fe), Cobalt (Co) and Nickel (Ni).