US PATENT SUBCLASS 205 / 659
.~.~ Plural separate currents or voltages applied

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
658  DF  .~ Simple alternating current {1}
659.~.~ Plural separate currents or voltages applied

DEFINITION

Classification: 205/659

Plural separate currents or voltages applied:

(under subclass 658) Process which employs separate currents or voltages differing in magnitude, character, or type (e.g., simultaneous AC and DC, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

646+, for electrolytic erosion with programmed, cyclic, or time responsive control.