Card – picture – or sign exhibiting – Signs – Interchangeable
Patent
1988-09-06
1990-01-16
Swiatek, Robert P.
Card, picture, or sign exhibiting
Signs
Interchangeable
G09F 706
Patent
active
048934259
ABSTRACT:
A portable display board assembly, comprising a rigid, foamed plastic (e.g., polystyrene) board covered with a closely fitting cloth or fabric cover, is disclosed. The board is of rectangular shape, having a thickness much less than either the width or height. The cover conforms to the board in shape, and has a pair of side panels which overlie the respective sides of the board, or edges which overlie the respective edges of the board, and an opening closed by a zipper, which permits insertion and removal of the board without bending. The cover is also provided with at least two (and sometimes three) pairs of aligned openings for bolts which are used to hang the board assembly on a vertical wall. These bolts coact with a bracket affixed to the wall.
REFERENCES:
patent: 1712829 (1929-05-01), Klimowicz
patent: 2845637 (1958-08-01), Stefano
patent: 4005539 (1977-02-01), Chamberlain
patent: 4721644 (1988-01-01), Mayo
Stone Cary E.
Swiatek Robert P.
The McNellis Company
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