US PATENT SUBCLASS 366 / 323
.~.~.~ Varying diameter of convolutions or shank or varying pitch

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


366 /   HD   AGITATING

241  DF  STIRRER WITHIN STATIONARY MIXING CHAMBER {10}
279  DF  .~ Rotatable stirrer {15}
318  DF  .~.~ Screw-type stirrer {6}
323.~.~.~ Varying diameter of convolutions or shank or varying pitch

DEFINITION

Classification: 366/323

Varying diameter of convolutions or shank or varying pitch:

(under subclass 318) Subject matter wherein the helical ribbon changes diameter along its length, or the diameter of a shaft supporting the ribbon changes, or the distance between the convolutions of the helical ribbon changes.