Frame for film diapositives

Card – picture – or sign exhibiting – Display card – Having a curved display panel

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Details

G09F 112

Patent

active

044519982

ABSTRACT:
The frame 10 consists of one single part and is provided with a rectangular aperture each at its front and rear side the aperture being smaller in size than the covers. Two opposite edges 26, 30 of at least one aperture has a distance which is equal to or slightly larger than the width of the covers 12, 14. Parallel to the two other opposite edges 24, 28 of the aperture, a groove 34, 36 of U-form cross-section extends in the interior of the frame one of the two grooves, for instance 36, being deeper than the other 34. In the proximity of the deeper groove 36 a fixing means 42 is provided.

REFERENCES:
patent: 2608776 (1952-09-01), Schuler
patent: 3035364 (1962-05-01), Hoogesteger
patent: 3069795 (1962-12-01), Lieberman
patent: 3924344 (1975-12-01), Davis
patent: 3949505 (1976-04-01), Kato
patent: 3996683 (1976-12-01), Hanke
patent: 4138787 (1979-02-01), Sarkisian et al.

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