Changeable message outdoor advertising sign

Details Changeable message outdoor advertising sign Changeable message outdoor advertising sign

1986-08-14

1987-09-15

Mancene, Gene

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40618, G09F 1304

Patent

active

046930264

ABSTRACT:
An internally illuminated sign structure wherein the message is formed by interchangeable panels.

REFERENCES:
patent: 1116628 (1914-11-01), Reith et al.
patent: 1159465 (1915-11-01), Brandenburg
patent: 1841026 (1932-01-01), Greenstone
patent: 1853703 (1932-04-01), Send
patent: 1936634 (1933-11-01), Lorraine
patent: 2725652 (1955-12-01), Elliot
patent: 2798323 (1957-07-01), Witz
patent: 4237637 (1980-12-01), Bourbon
patent: 4263736 (1981-04-01), Beierwaites et al.

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