Card – picture – or sign exhibiting – Illuminated sign – Lamp box
Patent
1978-06-27
1981-06-16
Pitrelli, John F.
Card, picture, or sign exhibiting
Illuminated sign
Lamp box
40578, G09F 1308
Patent
active
042729017
ABSTRACT:
An address sign, especially for houses and other buildings, is provided with full time lighting so that the sign is easily readable under both day time and night time conditions from long distances. The lighted sign also provides low intensity illumination in a localized area such as a house entrance. The sign comprises a back plate and a translucent box-like cover having a length about four times greater than its width. A plurality of at least four miniature lamps are disposed on the back plate along the center line of the cover with certain spacing from each other and the front and side panels of the cover to provide uniform illumination of the cover. Opaque numbers are secured to the front panel of the cover and are preferably black to provide high contrast for easy day time and night time reading. The lamps are energized from a door bell transformer and are connected in series so that the voltage on each lamp is substantially below the rated voltage to provide an expected life much greater than the normal life expectancy.
REFERENCES:
patent: 1651084 (1927-11-01), Clark
patent: 1781585 (1930-11-01), Kiefer
patent: 1808456 (1931-06-01), Dwyer et al.
patent: 1961865 (1934-06-01), Remington
patent: 2622356 (1952-12-01), Valente
patent: 2858631 (1958-11-01), Jorick, Jr.
Pitrelli John F.
Skillington G. Lee
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