Reversible mattress

Details Reversible mattress Reversible mattress

1982-12-06

1984-10-16

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5465, A47C 2716, A47C 2715

Patent

active

044765940

ABSTRACT:
A cushion or mattress assembly having first and second resilient support surfaces of varying firmness each secured to a center piece stiffener board. The stiffener board is formed from a plurality of hinged sections allowing flexure of the stiffener board in one direction only, as well as allowing the entire assembly to be folded or rolled up for storage.

REFERENCES:
patent: 2469084 (1949-05-01), Schenker
patent: 2551976 (1951-05-01), Smith
patent: 2721339 (1955-10-01), Johnson
patent: 2853399 (1958-09-01), Shoults
patent: 3049729 (1962-08-01), Broyles
patent: 3051601 (1962-08-01), Schick
patent: 3319274 (1967-05-01), Upton
patent: 3512191 (1970-05-01), Wall et al.
patent: 3534417 (1970-10-01), Boyles
patent: 3538521 (1970-11-01), Basner
patent: 4370767 (1983-02-01), Fraser

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