US PATENT SUBCLASS 205 / 716
.~.~.~.~.~ Containing nitric acid


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  DF  .~ Metal or metal alloy {3}
705  DF  .~.~ Removing foreign material (e.g., cleaning, etc.) {7}
712  DF  .~.~.~ Nonelemental material from ferrous metal {2}
714  DF  .~.~.~.~ Using acidic electrolyte {2}
716.~.~.~.~.~ Containing nitric acid


DEFINITION

Classification: 205/716

Containing nitric acid:

(under subclass 714) Subject matter in which the electrolyte contains nitric acid.

SEE OR SEARCH THIS CLASS, SUBCLASS:

685, for electrolytic erosion using an electrolyte containing a nitrate, such as nitric acid, and resulting in a change of workpiece shape or surface configuration.