Illuminatable sign

Details Illuminatable sign Illuminatable sign

1981-06-30

1984-06-05

Mancene, Gene

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40156, 40603, G09F 1304

Patent

active

044520000

ABSTRACT:
An illuminatable sign has a housing having an open front and containing a light source. A closure extending over the open front comprises a frame extending around an opening, a sheet of flexible light-transmitting material extending across and covering said opening; and bolts for securing a peripheral marginal portion of the sheet by adjustably tensioning the sheet across the opening.

REFERENCES:
patent: 1475977 (1923-12-01), West
patent: 1597770 (1926-08-01), Cruver
patent: 1773972 (1930-08-01), Eberhart
patent: 2637132 (1953-05-01), Helms et al.
patent: 4041861 (1977-08-01), Alter
patent: 4194312 (1980-03-01), Connors et al.
patent: 4317302 (1982-03-01), Von De Linde

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