Two-position signal device

Details Two-position signal device Two-position signal device

1989-02-17

1989-12-12

Stone, Cary E.

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Hinge mounted display item or item support

40359, 116319, G09F 1900

Patent

active

048858579

ABSTRACT:
The novel two-position signal device comprises a generally rectangular base plate, a pair of substantially parallel flanges upstanding along opposite edges of the base plate, a signal panel pivotally mounted on the flanges and adapted to be rotated between two different signaling positions against the base plate between the flanges.

REFERENCES:
patent: 936277 (1909-10-01), Kilmer et al.
patent: 1083706 (1914-01-01), Schmachtenberger
patent: 1611645 (1926-12-01), Kingman
patent: 2556449 (1951-06-01), Scheeler
patent: 3002491 (1961-10-01), Bachman
patent: 3219009 (1965-11-01), Olsen
patent: 3916547 (1975-11-01), Ryder
patent: 4829686 (1989-05-01), Endicott

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