US PATENT SUBCLASS 220 / 502
.~.~ With externally operable means for establishing and blocking communication

Current as of: June, 1999
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220 /   HD   RECEPTACLES

500  DF  COMPARTMENTED CONTAINER {12}
501  DF  .~ Intercommunicable compartments {1}
502.~.~ With externally operable means for establishing and blocking communication

DEFINITION

Classification: 220/502

With externally operable means for establishing and blocking communication:

(under subclass 501) Receptacle having means controllable from outside the receptacle which alternately permits and prevents content movement from one compartment to another.

SEE OR SEARCH CLASS

232, Deposit and Collection Receptacles,

1, and 43.1+ for compartmented receptacles having means for dumping material from the lower compartment.