Illuminated sign housing construction

Details Illuminated sign housing construction Illuminated sign housing construction

1974-06-12

1976-01-13

Grieb, Wm. H.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

G09F 1306

Patent

active

039316890

ABSTRACT:
By providing a frame structure and two panels adapted for removable, interlocking mounting on the frame structure, a sign housing is obtained which is rapidly assemblable without the use of screws, clips, or other such fastening means. In the preferred embodiment, the sign housing is employed as an illuminated emergency exit sign, and can be flush-mounted with only one side viewable or mounted to ceilings or walls with both sides viewable. Also, an emergency power supply can be secured directly to the sign housing to provide a complete independent package.

REFERENCES:
patent: 1469946 (1923-10-01), Morrison
patent: 1724243 (1929-08-01), Willey
patent: 1790583 (1931-01-01), Hildebrant
patent: 3136083 (1964-06-01), Guth
patent: 3235989 (1966-02-01), Brooks
patent: 3324290 (1967-06-01), Lasker
patent: 3402494 (1968-09-01), Gray
patent: 3478455 (1969-11-01), Fremont

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