Flexible or portable closure – partition – or panel – Framed type – With corner structure
Patent
1988-05-27
1989-08-29
Johnson, Blair M.
Flexible or portable closure, partition, or panel
Framed type
With corner structure
160378, 403402, 38102, D06C 308
Patent
active
048608149
ABSTRACT:
This invention is directed to a stretcher frame assembly for mounting fabrics such as are used by artists for mounting canvas for painting and other works. The stretcher frame comprises interconnected frame sections having ridges on the inner periphery thereof to which the edges of the fabric are secured by removable means such as spring clips. The stretcher frames are particularly suitable for use in art classes where such frames may be reused.
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patent: 3841008 (1974-10-01), Cusick
patent: 3950869 (1976-04-01), Samarin
patent: 3978905 (1976-09-01), deLama et al.
patent: 4409749 (1983-10-01), Hama
patent: 4451997 (1984-06-01), Jones
patent: 4458668 (1984-07-01), Sheldon
Vilmann James R.
Vilmann Margaret J. D.
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