US PATENT SUBCLASS 366 / 327.4
.~.~.~ Oppositely pitched element sections

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}
327.4.~.~.~ Oppositely pitched element sections

DEFINITION

Classification: 366/327.4

Oppositely pitched element sections:

(under subclass 327.1) Subject matter wherein a portion of an element is angled to move material in one direction and another portion is angled to move material in the opposing direction.

SEE OR SEARCH THIS CLASS, SUBCLASS:

327.3, for a rotatable stirrer including different elements having opposite pitches.