Hydropneumatic mattress
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
May 17, 1994
Grant Date -
N/A
app pub date -
Oct 16, 1992
filing date -
Sep 12, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hydropneumatic mattress with upper water containing tubes and lower air containing tubes is disclosed. The upper and lower tubes are supported by a layer. The tubes are individually removable for replacement. The mattress construction is especially desirable because it is articulatable along its length.
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