US PATENT SUBCLASS 419 / 26
.~ Post sintering operation

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

1  DF  POWDER METALLURGY PROCESSES WITH HEATING OR SINTERING {16}
26.~ Post sintering operation {3}
27  DF  .~.~> Impregnation
28  DF  .~.~> Subsequent working
29  DF  .~.~> Subsequent heat treatment (e.g., annealing, etc.)

DEFINITION

Classification: 419/26

Post sintering operation:

(under subclass 1) Processes in which there is an additional positive step following the sintering operation other than controlled cooling.