Wedge cut waterbed mattress

Details Wedge cut waterbed mattress Wedge cut waterbed mattress

1989-09-11

1990-06-26

Grosz, Alexander

Beds

Bedclothing

And means to facilitate changing thereof

5449, A47C 2708

Patent

active

049359789

ABSTRACT:
A waterbed mattress comprises an inflatable container formed of a flexible plastic material with a generally planar top sleeping surface and a generally planar bottom. There are generally vertical side walls and a generally vertical head end wall and a generally vertical foot end wall. the head end wall has a greater vertical height than that of the foot end wall whereby the top sleeping surface slants from the head end to the foot end.

REFERENCES:
patent: 1382531 (1921-06-01), Newborn
patent: 1432875 (1922-10-01), Lauagetto
patent: 4127908 (1978-12-01), Colwell
patent: 4611357 (1986-09-01), Chelin

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