US PATENT SUBCLASS 232 / 21
.~.~.~ Compartment

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

17  DF  LETTER BOXES {12}
19  DF  .~ House {3}
20  DF  .~.~ Collection and delivery {1}
21.~.~.~ Compartment

DEFINITION

Classification: 232/21

(under subclass 20) The receiver for the outgoing mail is separate from the receiver or chute for the incoming mail.