US PATENT SUBCLASS 232 / 25
.~.~ Cooperative closures

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

17  DF  LETTER BOXES {12}
24  DF  .~ Compartment {1}
25.~.~ Cooperative closures {1}
26  DF  .~.~.~> Distributing guide

DEFINITION

Classification: 232/25

(under subclass 24) Wherein the same closure or cooperating closures govern the opening or openings to the several compartments.