US PATENT SUBCLASS 419 / 54
.~.~ Different temperatures

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

1  DF  POWDER METALLURGY PROCESSES WITH HEATING OR SINTERING {16}
53  DF  .~ Plural heating steps including sintering {2}
54.~.~ Different temperatures

DEFINITION

Classification: 419/54

Different temperatures:

(under subclass 53) Processes wherein at least two of the discrete heating steps are recited as occurring at specifically different temperatures.