Deposit and collection receptacles – Letter boxes – Signals
Patent
1984-03-12
1985-06-25
Mancene, Gene
Deposit and collection receptacles
Letter boxes
Signals
232 17, B65D 9100, A47G 2912
Patent
active
045249059
ABSTRACT:
A signal device for attachment to standard, front-opening, outside mail boxes. The device comprises a clip member, a coil spring attached at one end to the clip, and a small flag or other visual indicating means mounted on the opposite end of the spring. The device is installed by inserting the clip over an upper edge of the open end of the mail box, without screws, rivets, or other permanent attachment means and without modifying or piercing the mail box in any way. The coil spring has a normal, unflexed position extending essentially vertically upward from the front, upper edge of the mail box and the device is "set" by flexing the spring downwardly from the end with the box door open to place the flag inside the box. The door is then closed to hold the spring in the flexed position. Upon opening the door, e.g., to insert mail, the spring returns to its upright position and the flag may be observed from a remote location, thereby automatically indicating that the box has been opened.
REFERENCES:
patent: 2428423 (1947-10-01), Hurban
patent: 2730298 (1956-01-01), Haserodt
patent: 3338511 (1967-08-01), Cvar
patent: 3866823 (1975-02-01), Grayson
patent: 4000847 (1977-01-01), Duis
Mancene Gene
McGuire Charles S.
Tarnoff David I.
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