Illuminated sign

Details Illuminated sign Illuminated sign

1974-07-18

1976-07-13

Mancene, Louis G.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

240 1EL, G09F 1318

Patent

active

039685845

ABSTRACT:
A very thin and rugged illuminated sign has a transparent, light-source plate with cavities in its edges to receive light bulbs. One side of the plate is covered with opaque material and the other with translucent material. Both surfaces are internally reflective, so that light from the bulbs is conserved and distributed substantially uniformly throughout the plate. At least one opaque plate, having a transparent (preferably colored and embossed) character therein, covers the translucent side of the light-source plate; so that light therefrom illuminates the characters. The terminal ends of the light bulbs are oriented outwardly for easy connection in an electric circuit concealed in a frame that surrounds both plates and confines them together. The frame may function as one of the electrical conductors.

REFERENCES:
patent: 1792635 (1931-02-01), Gropper
patent: 1826389 (1931-10-01), Fullerton
patent: 2104230 (1938-01-01), Kiss
patent: 2795069 (1957-06-01), Hardesty
patent: 2880536 (1959-04-01), Sullivan
patent: 2916606 (1959-12-01), Laufer et al.
patent: 2945313 (1960-07-01), Hardesty
patent: 3356839 (1967-12-01), Mehess et al.
patent: 3729626 (1973-04-01), Thurlow
patent: 3780463 (1973-12-01), Aronoff

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