Deposit and collection receptacles – Letter boxes – Signals
Patent
1980-05-08
1982-03-09
Frazier, Roy D.
Deposit and collection receptacles
Letter boxes
Signals
B65D 9100
Patent
active
043185070
ABSTRACT:
A pivotally mounted flag assembly for use with rural type mail boxes to automatically indicate that a pivotally mounted door of the box has been opened. The door pivotally mounts one end of a relatively stiff wire, the opposite end of which penetrates an oppositely disposed vertical wall of the box to engage a weighted semaphore type signal, the release of which causes the signal to rotate under the force of gravity to expose a free end thereof above the mail box where it may be viewed from a distance.
REFERENCES:
patent: 3026025 (1962-03-01), Hanson
patent: 3034706 (1962-05-01), Wing
patent: 3318516 (1967-05-01), Scheerer
patent: 3606141 (1971-09-01), Taylor
patent: 3675845 (1972-07-01), Scheerer
patent: 3722460 (1973-03-01), James, Sr.
patent: 3958752 (1976-05-01), Pieszchala
patent: 4073430 (1978-02-01), Joris
patent: 4154392 (1979-05-01), Galstad
De Panfilis Anthony J.
Thopsey Floyd
Aschenbrenner Peter A.
Frazier Roy D.
Temko Charles E.
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