Luminous gas-discharge sign panel

Card – picture – or sign exhibiting – Illuminated sign – Luminescent

Patent

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Details

313513, G09F 1320

Patent

active

048522856

ABSTRACT:
A luminous gas-discharge sign panel devised so that the brightness of sign is made constant throughout the entire length of the gas-discharge path irrespective of the positional width variations of the luminous sign patterns.

REFERENCES:
patent: 714233 (1902-11-01), Flancon
patent: 1743569 (1930-01-01), Purdom
patent: 1865253 (1932-06-01), Hotchner
patent: 2095291 (1937-10-01), Schneider
patent: 2852877 (1958-09-01), Goebel
patent: 3507065 (1970-04-01), Fullerton

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