US PATENT SUBCLASS 425 / 271
.~.~ Including means to infect or withdraw gas from internal portion of shaping means


Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

269  DF  DIPPING TYPE SHAPING MEANS {2}
270  DF  .~ Mounted on moving support {4}
271.~.~ Including means to infect or withdraw gas from internal portion of shaping means


DEFINITION

Classification: 425/271

(under subclass 270) Apparatus comprising means to apply pressure or suction to the internal portion of the shaping surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

437+, for shaping surfaces, and means to remove or release the article from the surface by gas means.