Combined check rail lock and keeper

Details Combined check rail lock and keeper Combined check rail lock and keeper

1981-12-29

1983-04-19

Word, A. Hugo

Tools and hardware

Locking or closing device

Lock, latch or bolt

D0807

Patent

active

D02686430

REFERENCES:
patent: D5696 (1872-03-01), Fogelstrand
patent: D14972 (1884-04-01), Sparks
patent: D15755 (1885-01-01), Sparks
patent: D66181 (1924-12-01), Edelson
patent: D69503 (1926-02-01), Edelson
patent: D137539 (1944-03-01), Ledin
patent: D141887 (1945-07-01), Wilder
patent: 156860 (1874-11-01), Ruscoe et al.
patent: D179048 (1956-10-01), Ahlgren
patent: D185254 (1959-05-01), Ahlgren
patent: D196713 (1963-10-01), Ahlgren
patent: D211452 (1968-06-01), Petrell
patent: D237041 (1975-10-01), Ruderfer
patent: D242840 (1976-12-01), Schmidt
patent: D249017 (1978-08-01), Costello
patent: 404916 (1889-06-01), Koenen
patent: 471363 (1892-03-01), Sloan, Jr.
patent: 587424 (1897-08-01), Bonine
patent: 979581 (1910-12-01), Smith
patent: 2135105 (1938-11-01), Knauff
patent: 2997323 (1961-08-01), Riser
patent: 3811718 (1974-05-01), Bates
patent: 4095829 (1978-06-01), Klompenburg

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