US PATENT SUBCLASS 264 / 221
.~.~ With destruction of pattern or mold to dissociate

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

219  DF  WITH STEP OF MAKING MOLD OR MOLD SHAPING, PER SE {1}
220  DF  .~ Utilizing surface to be reproduced as an impression pattern {4}
221.~.~ With destruction of pattern or mold to dissociate

DEFINITION

Classification: 264/221

(under subclass 220) Processes in which the mold or a portion thereof is destroyed, dissolved, or broken, so as to dissociate or release the formed article therefrom.

SEE OR SEARCH THIS CLASS, SUBCLASS:

313, for processes utilizing a flexible, deformable or destructible molding surface or material.

SEE OR SEARCH CLASS

29, Metal Working,

423+, for processes employing transitory or temporary material or parts.