Adjustable air cushion maternity mattress

Details Adjustable air cushion maternity mattress Adjustable air cushion maternity mattress

1994-07-29

1995-06-20

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5455, 5930, A47C 2710

Patent

active

054251478

ABSTRACT:
A maternity mattress having three concentric inflatable cells where the cells are each independently adjustable and may be inflated or deflated by turning a selective valve and pressing the appropriate button on a pump switch.

REFERENCES:
patent: 3303518 (1967-02-01), Ingram
patent: 3840920 (1974-10-01), Voelker
patent: 3918110 (1975-11-01), Cantillo et al.
patent: 4051566 (1977-10-01), Esquivel
patent: 4617690 (1986-10-01), Grebe
patent: 4737999 (1988-04-01), Halverson
patent: 4819287 (1989-04-01), Halverson
patent: 5185897 (1993-02-01), Van Laanen
patent: 5237712 (1993-08-01), Ramsay

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