US PATENT SUBCLASS 209 / 447
.~.~.~.~ Manual support

Current as of: June, 1999
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209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

422  DF  STRATIFIERS {6}
*  DD  .~ With liquid treatment {3}
*  DD  .~.~ Receptacles {3}
446  DF  .~.~.~ Reciprocating {2}
447.~.~.~.~ Manual support

DEFINITION

Classification: 209/447

(under subclass 446) Receptacles adapted to be supported and reciprocated manually.

(1) Note. This subclass the so-called "miners' pans" and "bateas" which are supported and operated by hand.