US PATENT SUBCLASS 232 / 34
.~.~ Sight

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

17  DF  LETTER BOXES {12}
*  DD  .~ Signals {2}
34.~.~ Sight {1}
35  DF  .~.~.~> Door-controlled

DEFINITION

Classification: 232/34

Visual signals indicating the presence of mail in the box.

SEE OR SEARCH CLASS

340, Communications: Electrical,

569, for electrical automatic indicating systems responsive to the placement or removal or articles from a mailbox.