US PATENT SUBCLASS 366 / 325.3
.~.~.~ Spiral arrangement

Current as of: June, 1999
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366 /   HD   AGITATING

241  DF  STIRRER WITHIN STATIONARY MIXING CHAMBER {10}
279  DF  .~ Rotatable stirrer {15}
325.1  DF  .~.~ Relatively fixed plural elements {14}
325.3.~.~.~ Spiral arrangement

DEFINITION

Classification: 366/325.3

Spiral arrangement:

(under subclass 325.1) Subject matter wherein the elements on the rotatable shaft are arranged in a helical pattern thereon.

(1) Note. Not all the elements on the shaft need to be arranged in a helical pattern.