Mailbox alert apparatus

Deposit and collection receptacles – Letter boxes – Signals

Patent

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Details

232 36, 200573, 200330, B65D 9100

Patent

active

052558436

ABSTRACT:
An alarm housing mounted to an exterior side wall surface of an associated rural or house mounted mailbox includes a switch arm having a roller cylinder mounted at a distal end thereof in engagement with the door portion of a rural mailbox, whereupon pivoting of the rural mailbox door to an opened orientation displaces the roller effecting closure of a switch within the alarm housing to activate visual and audible alarm structure.

REFERENCES:
patent: 918530 (1909-04-01), Gingrich
patent: 1442578 (1932-01-01), Landrum
patent: 2088806 (1937-08-01), Ottmann
patent: 2809780 (1957-10-01), Doetsch
patent: 3318516 (1967-05-01), Scheerer
patent: 3572581 (1971-03-01), McLeod
patent: 3621172 (1971-11-01), Clark
patent: 3968928 (1976-07-01), Caldwell
patent: 4860949 (1989-08-01), Moore
patent: 4913342 (1990-04-01), Fluck

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