Message display sign

Details Message display sign Message display sign

1980-03-13

1984-12-04

Mancene, Gene

Card, picture, or sign exhibiting

Changing exhibitor

Sliding plate

40 18, 40488, 40490, G09F 1100

Patent

active

044855761

ABSTRACT:
A message display sign is provided which includes a first panel having indicia thereon and appropriately shaped and positioned windows or openings therein. A second panel is provided behind the first panel and includes a second set of indicia. When in a first position, a selected portion of the second set of indicia is visible through the openings of the first panel. The visible portion of indicia from the second panel combined with the indicia on the first panel convey a first meaningful message. When in a second position behind the first panel, a second selected portion of the second set of indicia is visible through the openings in the first panel. This second selected portion combined with the indicia on the first panel convey a second meaningful message.

REFERENCES:
patent: 2214275 (1940-09-01), Hart
patent: 3248809 (1966-05-01), Stifano
patent: 4164824 (1979-08-01), Nidelkoff
patent: 4177593 (1979-12-01), Lockey
patent: 4217713 (1980-08-01), Greenberger

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