Deposit and collection receptacles – Letter boxes – Signals
Patent
1977-05-06
1978-02-07
Zugel, Francis K.
Deposit and collection receptacles
Letter boxes
Signals
A47G 2912
Patent
active
040722651
ABSTRACT:
A signaling device is illustrated employing a flag supported adjacent a bottom edge of the mailbox which is pivotable downwardly out of retracted position by the act of the postman opening the mailbox. The flag device is positively operated and is positionable for maximum exposure in selectable positions.
REFERENCES:
patent: 1562536 (1925-11-01), Berg
patent: 2613031 (1952-10-01), Joyce
patent: 2853230 (1958-09-01), Hays
patent: 3606141 (1971-09-01), Taylor
patent: 3675845 (1972-07-01), Scheerer
patent: 3722460 (1973-03-01), James
patent: 3794240 (1974-02-01), Myers
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