US PATENT SUBCLASS 241 / 273.4
.~.~ Stationary curved face

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

*  DD  APPARATUS {41}
273.1  DF  .~ Multi-barbed comminuting face (e.g., grater) {3}
273.4.~.~ Stationary curved face

DEFINITION

Classification: 241/273.4

(under subclass 273.1) Apparatus wherein the closely-spaced raised portions are arranged on a nonplanar configuration.

SEE OR SEARCH THIS CLASS, SUBCLASS:

89.3, for a stationary concave surface provided with discharge openings.