US PATENT SUBCLASS 222 / 237
.~.~ Relatively rotatable rings and/or plates

Current as of: June, 1999
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222 /   HD   DISPENSING

226  DF  AGITATOR FOLLOWED BY DISCHARGE ASSISTANT AND/OR INTERCONNECTED DISCHARGE CONTROLLER {9}
236  DF  .~ All rotary {3}
237.~.~ Relatively rotatable rings and/or plates

DEFINITION

Classification: 222/237

(under subclass 236) Dispensers in which the serial means comprise juxtaposed rings or plates rotating in opposite directions, or at different speeds in the same direction.