US PATENT SUBCLASS 232 / 31
.~.~ Safety receptacles

Current as of: June, 1999
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232 /   HD   DEPOSIT AND COLLECTION RECEPTACLES

17  DF  LETTER BOXES {12}
30  DF  .~ Collection devices {1}
31.~.~ Safety receptacles {1}
32  DF  .~.~.~> Auxiliary

DEFINITION

Classification: 232/31

(under subclass 30) Subject matter wherein the construction is such that either the receptacle or the box bottom, or both, must be closed and locked before the receptacle can be removed from the box. Usually neither of the parts can be

unlocked by the carrier except when they are together.

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