Self-closing mailbox device

Details Self-closing mailbox device Self-closing mailbox device

1992-01-15

1993-07-13

Luebke, Renee S.

Deposit and collection receptacles

Letter boxes

B65D 9100

Patent

active

052265897

ABSTRACT:
A mailbox having an extension spring located inside the mailbox body between the door and body interior which allows the mailbox door to remain open when it is pivoted below the mailbox floor while at the same time automatically allowing the door to close when it is pivoted above the floor level.

REFERENCES:
patent: 1564073 (1925-12-01), Johnson
patent: 2431838 (1947-12-01), Staley
patent: 3106335 (1963-10-01), Allan
patent: 3163356 (1964-12-01), Joehnk
patent: 4114801 (1978-09-01), Van Orden
patent: 4223828 (1980-09-01), Whitley
patent: 4299058 (1981-11-01), Spaulding

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