US PATENT SUBCLASS 205 / 704
.~ Metal or metal alloy


Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

687  DF  ELECTROLYTIC MATERIAL TREATMENT (PRODUCT, PROCESS, AND ELECTROLYTE COMPOSITION) {8}
704.~ Metal or metal alloy {3}
705  DF  .~.~> Removing foreign material (e.g., cleaning, etc.) {7}
724  DF  .~.~> Object protection {8}
741  DF  .~.~> Containing iron


DEFINITION

Classification: 205/704

Metal or metal alloy:

(under subclass 687) Subject matter in which the material treated is either a metal in a free or uncombined state or a metal alloy.

SEE OR SEARCH THIS CLASS, SUBCLASS:

771+, for electrolytic removal of a metal or metal compound from a nonmetallic inorganic liquid.

SEE OR SEARCH CLASS

148, Metal Treatment,

95+, for heat treatment of a metal in order to modify or maintain the internal physical structure (i.e., microstructure) or chemical properties thereof, including electrical heat treatment.