Beds – Bedclothing – And means to facilitate changing thereof
Patent
1989-08-30
1990-11-27
Grosz, Alexander
Beds
Bedclothing
And means to facilitate changing thereof
5481, A47C 2715
Patent
active
049725351
ABSTRACT:
A reversible contoured body support mattress is formed of a foam block having a first major surface which is convoluted to form a regular pattern of hills and valleys. The opposite major surface is contoured in mutually perpendicular directions to provide a configuration which substantially conforms to the body shape in both the longitudinal and latitudinal directions, yielding a structure having therapeutic values for users, with or without spinal problems. As an alternative, the mattress may be formed of a first convoluted layer affixed to a second contoured layer wherein the contoured surface may be either affixed to or remote from the flat surface of the convoluted layer.
REFERENCES:
patent: 1548728 (1925-08-01), Milam
patent: 3885258 (1975-05-01), Regan
patent: 4218792 (1980-08-01), Kogan
patent: 4288879 (1981-09-01), Pate
patent: 4564246 (1986-01-01), Thieme
patent: 4620337 (1986-11-01), Williams et al.
patent: 4665573 (1987-05-01), Fiore
patent: 4673452 (1987-06-01), Awdhan
Goldman Mannie S.
Grosz Alexander
Mack Dominick
Weinstein Louis
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