Beds – Waterbed or associated device – With heating or cooling means
Patent
1990-10-09
1991-06-11
Grosz, Alexander
Beds
Waterbed or associated device
With heating or cooling means
5451, 219217, 219528, 392443, A47C 2708
Patent
active
050221086
ABSTRACT:
A waterbed mattress apparatus adapted to increase waterbed heting mat efficiency. The apparatus includes a waterbed mattress having a mat receiving opening therein and mat receiving pocket having an open end and a closed end, the open end sealed to the mat receiving opening and situated inside the mattress. The pocket has a flotation device to cause the receiving pocket to float in the fluid contained by the mattress.
REFERENCES:
patent: 2064248 (1936-12-01), Doyan
patent: 2178397 (1939-10-01), Larkey
patent: 2842651 (1958-07-01), Neely
patent: 4233492 (1980-11-01), McMullan et al.
Beehner John A.
Grosz Alexander
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