Card – picture – or sign exhibiting – Illuminated sign – Extruded frame
Patent
1988-05-04
1990-03-06
Dorner, Kenneth J.
Card, picture, or sign exhibiting
Illuminated sign
Extruded frame
40564, 40574, G09F 1300
Patent
active
049053906
ABSTRACT:
A sign box for an illuminated sign, having side walls, namely top and bottom walls and end walls, and having a front face frame movably attached to one of the side walls, the four side walls each defining a generally-planar wall panel with front and rear edges and a forwardly-directed hinge formation, offset from the plane of the planar wall panel, and a junction wall formation formed between the hinge formation and the planar wall, and extending forwardly, and having a rear junction formation formed along the rear edge of the wall panel, one of the front and rear junction members being interengageable with the other of the front and rear junction formations on another wall panel, so that two wall panels may be joined together forming the side walls of the sign box.
REFERENCES:
patent: 2707346 (1955-05-01), Fuller, Jr.
patent: 3722119 (1973-03-01), Braun
patent: 3848349 (1974-11-01), Olsen
patent: 3863372 (1975-02-01), Stilling
patent: 4007552 (1977-02-01), Brooks
patent: 4169327 (1979-10-01), Stilling
patent: 4430819 (1984-02-01), Chandler
Dorner Kenneth J.
Hakomaki J.
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