US PATENT SUBCLASS 99 / 621
.~.~.~.~.~.~ With additional rotating surface

Current as of: June, 1999
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99 /   HD   FOODS AND BEVERAGES: APPARATUS

485  DF  MEANS TO TREAT FOOD {8}
537  DF  .~ Subdividing into plural products {2}
567  DF  .~.~ Separating one external portion from the remaining food {3}
584  DF  .~.~.~ Removing skin {6}
600  DF  .~.~.~.~ Grain hulling {5}
617  DF  .~.~.~.~.~ By rotating surface {4}
621.~.~.~.~.~.~ With additional rotating surface

DEFINITION

Classification: 99/621

(under subclass 617) Device including at least one other surface rotating, about a noncolinear axis or a concentric colinear axis, to hull the grain.