US PATENT SUBCLASS 419 / 64
.~.~ Includes coating of particles

Current as of: June, 1999
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419 /   HD   POWDER METALLURGY PROCESSES

61  DF  FORMING ARTICLES BY UNITING RANDOMLY ASSOCIATED METAL PARTICLES {2}
62  DF  .~ Powder pretreatment {3}
64.~.~ Includes coating of particles

DEFINITION

Classification: 419/64

Includes coating of particles:

(under subclass 62) Processes in which at least some particles of powder or particulate material become covered by a layer of some other material.