Display sign

Details Display sign Display sign

1979-04-19

1981-10-06

Mancene, Gene

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40611, 40615, 434430, G09F 1304

Patent

active

042927528

ABSTRACT:
A back-lighted display sign having a protective outer face panel, a copy frame positioned behind the face panel, and a number of retaining members affixed to the rear of the copy frame to receive and retain replaceable copy inserts and color filters behind the copy frame. In one disclosed embodiment, the copy inserts include a number of transparent overlays bearing characters defined by regions of contrasting transparency.

REFERENCES:
patent: 452111 (1891-05-01), Reamer
patent: 1447918 (1923-03-01), Zacher
patent: 1568630 (1926-01-01), Shearer
patent: 1785145 (1930-12-01), Roll
patent: 2079230 (1937-05-01), Shively
patent: 2447978 (1948-08-01), Hall
patent: 3014302 (1961-12-01), Hughes
patent: 3381401 (1968-05-01), Fuller, Jr.
patent: 3660918 (1972-05-01), Bourseau
patent: 3722119 (1973-03-01), Braun
patent: 3822938 (1974-07-01), Hirsch
patent: 3895453 (1975-07-01), Wright
patent: 3918187 (1975-11-01), Vogele

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