Beds – Mattress – Having confined gas
Patent
1997-02-13
1998-05-05
Grosz, Alexander
Beds
Mattress
Having confined gas
5691, 5713, A47C 2710
Patent
active
057459410
ABSTRACT:
An inflatable overlay for a bed mattress has a base sheet with a top and sides sized to retentively fit over the mattress, and inflatable elements secured to the sheet defining a body support surface. Impermeable sheet material is layered on the base sheet to form air conduits connected for supplying the inflatable elements. The overlay is pliable and can be folded or rolled for transport and storage.
REFERENCES:
patent: 3958286 (1976-05-01), Rodinsky
patent: 4267611 (1981-05-01), Agulnick
patent: 4517693 (1985-05-01), Viesturs
patent: 4924541 (1990-05-01), Inagaki
patent: 5090077 (1992-02-01), Caden et al.
patent: 5267364 (1993-12-01), Volk
patent: 5634225 (1997-06-01), Miller, Sr. et al.
Epstein Natan
Foamex L.P.
Grosz Alexander
LandOfFree
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