US PATENT SUBCLASS 241 / 82.3
.~.~ Wherein the perforated member is other than flat

Current as of: June, 1999
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241 /   HD   SOLID MATERIAL COMMINUTION OR DISINTEGRATION

*  DD  APPARATUS {41}
82.1  DF  .~ Helical pusher inside tube moves material toward perforated member {5}
82.3.~.~ Wherein the perforated member is other than flat

DEFINITION

Classification: 241/82.3

(under subclass 82.1) Apparatus wherein the surface provided

with passageways is a curved surface.

SEE OR SEARCH THIS CLASS, SUBCLASS:

89.3, for a perforated concave surface without a claimed helical pusher.