US PATENT SUBCLASS 205 / 664
.~ Sharpening or point making

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}
664.~ Sharpening or point making

DEFINITION

Classification: 205/664

Sharpening or point making:

(under subclass 640) Process in which the workpiece is given a tapered end or side configuration by electrolytic erosion resulting in a sharp or pointed workpiece or portion thereof.