US PATENT SUBCLASS 209 / 305
.~.~.~ Stationary
Current as of:
June, 1999
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209 /
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CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS
233
DF
SIFTING
{16}
*
DD
.~ Drum sifters {2}
*
DD
.~.~ Vertical {4}
305
.~.~.~ Stationary {1}
306
DF
.~.~.~.~
> With agitators
DEFINITION
Classification: 209/305
(under subclass 233) Stationary cylindrical or drum sifters on vertical axes.
SEE OR SEARCH CLASS
99, Foods and Beverages: Apparatus,
605+, for a cylindrical or conical perforated enclosure for hulling grain.