US PATENT SUBCLASS 252 / 515
.~.~ Tungsten

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

500  DF  ELECTRICALLY CONDUCTIVE OR EMISSIVE COMPOSITIONS {6}
512  DF  .~ Free metal containing {3}
515.~.~ Tungsten

DEFINITION

Classification: 252/515

(under subclass 512) Compositions wherein the free metal is tungsten.

SEE OR SEARCH CLASS

75, Specialized Metallurgical Processes, Compositions for Use Therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,

248, for a consolidated metal particle composition having a tungsten base.