Sign board casing

Details Sign board casing Sign board casing

1976-11-04

1978-01-10

Kinsey, Russell R.

Card, picture, or sign exhibiting

Illuminated sign

Indirect

401522, 40574, G09F 1300

Patent

active

040671305

ABSTRACT:
The invention relates to an oblong sign board casing comprising a reflector sheet provided with parallel embossings extending in planes substantially perpendicular to a longitudinal axis. The profiled reflector sheet is curved about 90.degree. round a longitudinal axis, whereby a self-supporting construction is obtained. This construction renders it possible to provide the front plate with a flange and a sharp edge at the bottom. The embossings cause an effective diffusion of the light, also towards the bottom face.

REFERENCES:
patent: 2699620 (1955-01-01), Smythe
patent: 3419986 (1969-01-01), Maze
patent: 3423865 (1969-01-01), Hardesty et al.

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