Luminous electric sign

Card – picture – or sign exhibiting – Illuminated sign – Gas filled tube

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Details

40546, 362 31, 362812, G09F 1326

Patent

active

055795986

ABSTRACT:
An electric luminous display unit for conveying visual information including a housing comprising an opaque front face portion of substantially rigid molded plastic, an elongated groove in the front face portion of the housing, inert gas-containing glass tubing located in the groove and extending therealong, and electrical means located behind the front face portion of the housing and electrically connected to ends of the glass tubing for supplying electrical energy to illuminate the same. In one embodiment, an edge-lighted board is described for receiving written information thereon.

REFERENCES:
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patent: 1654255 (1927-12-01), Hendry
patent: 1872428 (1932-08-01), Drury
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patent: 1888366 (1932-11-01), Willens
patent: 1917956 (1933-07-01), Earley
patent: 2082523 (1937-06-01), Segal
patent: 2566458 (1951-09-01), Macan
patent: 2763948 (1956-09-01), Hilgedick
patent: 2917838 (1959-12-01), Neugass
patent: 3085224 (1963-04-01), Becka
patent: 4903172 (1990-02-01), Schoniger et al.
patent: 5267404 (1993-12-01), Kizy
patent: 5270910 (1993-12-01), Kile

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