US PATENT SUBCLASS 220 / 506
.~ Substantially concentric compartments

Current as of: June, 1999
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220 /   HD   RECEPTACLES

500  DF  COMPARTMENTED CONTAINER {12}
506.~ Substantially concentric compartments

DEFINITION

Classification: 220/506

Substantially concentric compartments:

(under subclass 500) Receptacle wherein one compartment essentially surrounds another compartment.