US PATENT SUBCLASS 492 / 12
WITH IMPELLOR; E.G., FAN, PUMP

Current as of: June, 1999
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492 /   HD   ROLL OR ROLLER

12WITH IMPELLOR; E.G., FAN, PUMP

DEFINITION

Classification: 492/12

WITH IMPELLOR; E.G., FAN, PUMP:

(under the class definition) Roll which has a rotating device used to force a fluid or fluid-like material in a given direction under pressure.

SEE OR SEARCH CLASS

99, Foods and Beverages: Apparatus,

518+, for a grain hulling means having a fluid applying means associated therewith.

241, Solid Material Comminution or Disintegration,

38+, for a comminuting means associated with a fluid means.

416, Fluid Reaction Surfaces (i.e., Impellers), for fan structure, per se.