US PATENT SUBCLASS 205 / 661
.~.~ Nonelectrolytic (e.g., mechanical grinding, milling, machining, etc.)


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

640  DF  ELECTROLYTIC EROSION OF A WORKPIECE FOR SHAPE OR SURFACE CHANGE (E.G., ETCHING, POLISHING, ETC.) (PROCESS AND ELECTROLYTE COMPOSITION) {19}
660  DF  .~ Preliminary cleaning or shaping of workpiece {1}
661.~.~ Nonelectrolytic (e.g., mechanical grinding, milling, machining, etc.)


DEFINITION

Classification: 205/661

Nonelectrolytic (e.g., mechanical grinding, milling, machining, etc.):

(under subclass 660) Process in which at least one step of preliminary cleaning or shaping is nonelectrolytic (e.g., mechanical grinding, milling, machining, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

647, for electrolytic erosion combined with nonelectrolytic erosion and programmed, cyclic, or time responsive control.

662+, for electrolytic erosion with simultaneous or subsequent mechanical abrasion or grinding.

709, for electrolytic cleaning involving moving contact of a solid member with a workpiece.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

212+, for electrolytic apparatus having a rotary electrode and subclasses 280+ for electrode structure and compositions used in electrolytic apparatus, including those also having a nonelectrolytic action.