Chairs and seats – Bottom or back – Framework
Patent
1975-10-01
1977-01-18
Mitchell, James C.
Chairs and seats
Bottom or back
Framework
297DIG1, 297DIG2, A47C 702
Patent
active
040036006
ABSTRACT:
A furniture construction which includes a rigid rectangular frame formed of a plurality of spaced interconnected elements defining the sides of the frame. At least one spring member is provided which extends between and is connected to opposed sides of the frame. The frame and the at least one spring member is formed of one piece of a material which consists essentially of a rigid foamed plastic material.
REFERENCES:
patent: 2649146 (1953-08-01), Sanford et al.
patent: 2818107 (1957-12-01), Thaden
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