US PATENT SUBCLASS 75 / 415
.~.~.~ Foam

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

330  DF  PROCESSES {9}
392  DF  .~ Producing or treating free metal {10}
414  DF  .~.~ At 300 degrees C or greater (e.g., pyrometallurgy, etc.) {7}
415.~.~.~ Foam

DEFINITION

Classification: 75/415

Foam:

(under subclass 414) Process which produces a metal product which has a mass of pores.

(1) Note. The pores may either be interconnected or closed cells.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

613, for porous or foamed metallic stock material.