US PATENT SUBCLASS 264 / 153
.~ Punching article from sheet material

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

138  DF  WITH SEVERING, REMOVING MATERIAL FROM PREFORM MECHANICALLY, OR MECHANICALLY SUBDIVIDING WORKPIECE {10}
153.~ Punching article from sheet material

DEFINITION

Classification: 264/153

(under subclass 138) Processes in which articles are severed from sheet material by a cutting action simultaneously on all areas being cut.

(1) Note. The article is usually severed by means of a configured cutting die.