Deposit and collection receptacles – Letter boxes
Patent
1988-02-08
1991-03-19
Gibson, Jr., Robert W.
Deposit and collection receptacles
Letter boxes
232 39, 232 45, 232 431, B65D 9100
Patent
active
050003780
ABSTRACT:
An intrustion-secure mail box is described as being particularly suited for rural and suburban delivery. A pair of vertically offset doors are provided, through the upper of which mail intended for delivery is inserted, and through the lower of which--lockably openable by the user--the delivered mail is retrieved. A "slide" arrangement is incorporated internal of the mail box--both to direct the delivered mail inserted through the upper door towards the lower door opening, and to act as a bar to prevent an unauthorized retrieval by a person trying to gain access by a reaching through the upper door to get at mail acculumations aggregated at the area of the locked lower door.
REFERENCES:
patent: 42052 (1864-03-01), Springer
patent: 997478 (1911-07-01), Toomy
patent: 1049058 (1912-12-01), Davis
patent: 2602584 (1952-07-01), Croft
patent: 3735919 (1973-05-01), Morgan
patent: 3802619 (1974-04-01), Vanderveer
patent: 3880344 (1975-04-01), Earle
patent: 4724999 (1988-02-01), Fitzgerald et al.
Dorr Ray M.
Michaels Gordon J.
Brodsky Charles I.
Gibson , Jr. Robert W.
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