US PATENT SUBCLASS 366 / 221
.~.~ With scraper

Current as of: June, 1999
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366 /   HD   AGITATING

219  DF  BY MOVEMENT OF MIXING CHAMBER RELATIVE TO STATIONARY SUPPORT {4}
220  DF  .~ Mixing chamber rotatable only {9}
221.~.~ With scraper

DEFINITION

Classification: 366/221

With scraper:

(under subclass 220) Subject matter wherein an element having an edge, flaccid surface, etc., which is in contact with or in close proximity to the chamber wall causes material to be moved away from the wall.

SEE OR SEARCH THIS CLASS, SUBCLASS:

309, for a scraper within a stationary chamber.