Changeable character-symbol system

Details Changeable character-symbol system Changeable character-symbol system

1974-08-12

1976-03-30

Mancene, Louis G.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

40 16, G09F 710

Patent

active

039465101

ABSTRACT:
Changeable copyboard apparatus for mounting changeable flat display image bearing characters, such as Oriental language characters, to a copyboard including transparent brackets for mounting the characters in a plurality of discrete display positions aligned in a series of vertical columns on the copyboard, the brackets including paired channel members with longitudinal channels and paired corner retainer brackets with corner channels mounted to the copyboard surface to define each discrete display position and further including convex surfaces enabling the flat display characters to be readily slidably inserted into the display position and restrained from substantial movement.

REFERENCES:
patent: 1117360 (1914-11-01), Evans
patent: 1513027 (1924-10-01), Belli
patent: 1733296 (1929-10-01), Dawson
patent: 1965118 (1934-07-01), Higgins
patent: 2814141 (1957-11-01), Friedman
patent: 3458944 (1969-08-01), Jimenez
patent: 3753306 (1973-08-01), Hemgren

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