Signal device

Details Signal device Signal device

1978-02-16

1979-10-16

Frazier, Roy D.

Deposit and collection receptacles

Letter boxes

Signals

232 17, A47G 2912

Patent

active

041710860

ABSTRACT:
A signal device for a mailbox comprising a pivotally mounted, weighted arm which is received by the mailbox door in the closed position. When the door is opened, the arm is released, whereby the weight urges the arm away from the box and into the signalling position.

REFERENCES:
patent: 2852185 (1958-09-01), Stouten
patent: 2905378 (1959-09-01), Cox et al.
patent: 3325092 (1967-06-01), Hoffman et al.
patent: 3602424 (1971-08-01), Raulston
patent: 3747839 (1973-07-01), Morton

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