Sign having changeable displays

Details Sign having changeable displays Sign having changeable displays

1984-01-17

1985-07-16

Wilson, John J.

Card, picture, or sign exhibiting

Changing exhibitor

Rotatable carrier for display item

40503, 40506, G09F 1102

Patent

active

045287635

ABSTRACT:
A sign formed from plural trilateral display screen assemblies, each assembly being rotatable to dispose one of three screen sides in a forward position, wherein all corresponding screen sides in such forward position collectively defining and displaying a picture.

REFERENCES:
patent: 3304638 (1967-02-01), Grandell et al.
patent: 3387394 (1968-06-01), Werner
patent: 3798811 (1974-03-01), Rockola
patent: 3826027 (1974-07-01), Abbema
patent: 3921321 (1975-11-01), Weisskopf
patent: 4002022 (1977-01-01), Lopez

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