Film strip holder

Details Film strip holder Film strip holder

1989-10-30

1991-02-12

Dorner, Kenneth J.

Card, picture, or sign exhibiting

Illuminated sign

Lamp box

40575, G09F 1304

Patent

active

049913344

ABSTRACT:
A film strip holder for use in backlighted message displays is an extrusion having longitudinally extending, light opaque upper and lower portions and a longitudinally extending light translucent center portion such that a film strip placed between the upper and lower portions is in light transmissive relation to a light source within the display, the holder being engagable in substantially light-tight tongue and groove relationship with adjacent holders.

REFERENCES:
patent: 2280096 (1942-04-01), Morrison
patent: 2515664 (1950-07-01), Padgett
patent: 3166042 (1965-01-01), Hill
patent: 3387397 (1968-06-01), Buchanan et al.
patent: 3742633 (1973-07-01), Palm
patent: 4553345 (1985-11-01), Bercier et al.
patent: 4693026 (1987-09-01), Callahan et al.

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