US PATENT SUBCLASS 425 / 85
.~ Vacuum means

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

84  DF  WITH FORAMINOUS OR ABSORBENT MEANS FOR REMOVAL OF VEHICLE OR COMPONENT IN LIQUID FORM DURING OR AFTER SHAPING {1}
85.~ Vacuum means

DEFINITION

Classification: 425/85

(under subclass 84) Apparatus comprising means reducing pressure for facilitating removal of the liquid component of the material.

SEE OR SEARCH CLASS

162, Paper Making and Fiber Liberation, appropriate subclass for forming articles of paper utilizing a vacuum.