Support appliance

Details Support appliance Support appliance

1977-11-04

1979-01-30

Nunberg, Casmir A.

Beds

Bedsteads

Element or detail

5 91, 5347, A47C 2708, A47C 2900

Patent

active

041364139

ABSTRACT:
A mattress of resilient foam has a separate cover formed from a chemically/physico-chemically porous material to transmit water/vapor on the outer side of the surface, due to differential water vapor pressure to within the mattress from which it can disperse.

REFERENCES:
patent: 1926429 (1933-09-01), Bendelari
patent: 2789292 (1957-04-01), Budinquest
patent: 2982976 (1961-05-01), Ferolito
patent: 3636575 (1972-01-01), Smith
patent: 3638251 (1972-02-01), Weiss
patent: 3822425 (1974-07-01), Scales
patent: 3949438 (1976-04-01), Scales
patent: 4055699 (1977-10-01), Hsiung

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