US PATENT SUBCLASS 366 / 330.5
.~.~.~.~ Outwardly decreasing width

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}
330.1  DF  .~.~.~ Axially directing blade (e.g., propeller, helix section, etc.) {6}
330.5.~.~.~.~ Outwardly decreasing width

DEFINITION

Classification: 366/330.5

Outwardly decreasing width:

(under subclass 330.1) Subject matter wherein the widest dimension of the blade measured generally perpendicularly to a radial line passing through the blade substantially continuously decreases in a radially outward direction from adjacent the shaft to substantially the outer end of the blade.