Frame for transparencies

Details Frame for transparencies Frame for transparencies

1982-04-08

1984-07-24

Mancene, Gene

Card, picture, or sign exhibiting

Display card

Having a curved display panel

40158R, 40159, A47G 106, G09F 112

Patent

active

044611056

ABSTRACT:
A single-piece transparency frame for holding a film therein comprising: a window-shaped opening, the width and length of which on the front face are greater than the useful length and width of the film to be inserted, and on the rear face are less than that length and width; two horizontal grooves provided in the plane of the film in the lengthwise direction of the film; two narrow sides located on the front face of the opening which are extended by parallel slots which in turn open into said horizontal grooves.

REFERENCES:
patent: 3037312 (1962-06-01), Mulch
patent: 3069795 (1962-12-01), Lieberman
patent: 3477160 (1969-11-01), Clark
patent: 3478456 (1969-11-01), Mundt et al.
patent: 3491471 (1970-01-01), Semple
patent: 3524299 (1970-08-01), Mundt et al.
patent: 3996683 (1976-12-01), Hanke
patent: 4237678 (1980-12-01), Thompson
patent: 4314416 (1982-02-01), Lorsch

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