Therapeutic mattress having lumbar support member

Details Therapeutic mattress having lumbar support member Therapeutic mattress having lumbar support member

1987-08-21

1989-06-13

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5464, 5481, A47C 2714

Patent

active

048378798

ABSTRACT:
A lumbar support mattress having a planar foam cushion with peaks and valleys of resilient material across one surface of the cushion. A curvilinear lumbar support member is adhered at the lower surface of the overlay.

REFERENCES:
patent: 364797 (1887-06-01), Brooks
patent: 1045228 (1912-11-01), Weltmer
patent: 2612158 (1950-12-01), Manley
patent: 3378861 (1968-04-01), Louseberg
patent: 4161045 (1979-07-01), Regan
patent: 4620337 (1986-04-01), Williams et al.

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