Directory sign mask

Details Directory sign mask Directory sign mask

1984-10-25

1987-03-31

Mancene, Gene

Card, picture, or sign exhibiting

Signs

Interchangeable

40 10R, 40568, 40159, G09F 702

Patent

active

046532099

ABSTRACT:
A mask and mask assembly for use in a directory sign or the like. One or more masks are affixed to a backing panel, thereby defining a number of adjacent parallel channels for removably receiving message strips in the form of transparencies or the like. The mask comprises a substantially plane sheet member preferably flat on the front side, and on the back side having a number of raised lands longitudinally extending along the mask. The lands are laterally spaced apart from each other, and this facing defines the channels for receiving message strips. The masks have complementary overlapping lateral edges, so that a number of masks can be aligned side-to-side on a backing panel.

REFERENCES:
patent: 2687590 (1954-08-01), Johnson
patent: 2775050 (1956-12-01), Ellsqorth
patent: 3660918 (1972-05-01), Bourseau
patent: 3707792 (1973-01-01), Mabrey et al.
patent: 3905139 (1975-09-01), Cooper

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