US PATENT SUBCLASS 420 / 129
.~ Processes


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420 /   HD   ALLOYS OR METALLIC COMPOSITIONS

8  DF  FERROUS (I.E., IRON BASE) {24}
129.~ Processes


DEFINITION

Classification: 420/129

Processes:

(under subclass 8) Processes of preparing an alloy or metallic composition.

(1) Note. While this subclass provides for processes of producing alloys under subclass 8 not specifically provided for in the indents above it is also employed as a collecting point for cross-references to processes of general utility in preparing a wide range of alloys classified in different subclasses under subclass 8.