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United States of America Patent
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-
Jan 29, 1980
Issued Date -
N/A
app pub date -
Jan 23, 1979
filing date -
Nov 8, 1976
priority date (Note) -
Expired
status (Latency Note)
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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.
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