US PATENT SUBCLASS 241 / 105
.~.~ Plural comminuting zones

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

*  DD  APPARATUS {41}
103  DF  .~ Rolls frictionally driven and supported by relatively moving surfaces (e.g., ball chasers) {3}
105.~.~ Plural comminuting zones

DEFINITION

Classification: 241/105

(under subclass 103) Apparatus embodying a plurality of comminuting zones of the type provided for in this group.

SEE OR SEARCH THIS CLASS, SUBCLASS:

108, 115+, 134+, and 152.1+, and the notes thereto for other plural comminutor combinations.