US PATENT SUBCLASS 425 / 199
.~ Plural screens or plates

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

197  DF  WITH UPSTREAM SCREEN OR PERFORATED PLATE FOR STRAINING, HOMOGENIZING, OR MIXING MATERIAL TO BE SHAPED {2}
199.~ Plural screens or plates

DEFINITION

Classification: 425/199

(under subclass 197) Apparatus comprising a plurality of filter or perforated plates.

(1) Note. Screens or perforated members in combination or in abutting relationship are found within this subclass.