Changeable graphics and methods of making and using same

Details Changeable graphics and methods of making and using same Changeable graphics and methods of making and using same

1997-01-08

1999-10-05

Evans, Elizabeth

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428204, 4284111, 428913, 156 60, 156230, B32B 300

Patent

active

059621095

ABSTRACT:
A backlit sign and its method of making and usage is disclosed. The sign has a translucent film with a first image, of color, a light-filtering film with a second image of color or of a graphic, and a masking film with a third image of a graphic. The order of assembly of the films determines whether a change of color or a change in graphics or both is achieved when the assembled sign is backlit.

REFERENCES:
patent: 4673609 (1987-06-01), Hill
patent: 4883556 (1989-11-01), Leavitt, Sr. et al.
patent: 4925905 (1990-05-01), Boeckh et al.
patent: 5525177 (1996-06-01), Ross
patent: 5542202 (1996-08-01), Brugger
Derwent Abstract for French Patent 2 702 296.
3M Image Graphics "Tips fore Translucents" (1996).

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