US PATENT SUBCLASS 425 / 812
VENTING


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

812VENTING


DEFINITION

Classification: 425/812

Apparatus comprising means for removing or permitting removal of gases during the molding operation.

SEE OR SEARCH THIS CLASS, SUBCLASS:

420, for press molding devices with vents.