US Patent No: 5,458,516
Number of patents in Portfolio can not be more than 2000
Atmospheric self inflatable suit
Stats
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Oct 17, 1995
Issued date -
Jun 8, 1994
filing date -
08/257,253
serial no -
In Force
status
Importance
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Abstract
An atmospheric air pressure inflatable garment has an inner layer and outer layer define a confined space with a compressible material therein. The compressible material has resiliency and strength characteristics so that it compresses under atmospheric conditions when the air pressure in the confined space is reduced to sub-atmospheric pressure and an air passage adapted to permit passage of air into and out of the confined space but not water when a seal for sealing the passage is released. The garment is stored with the air removed and permitting atmospheric air to fill the space when the seal is opened raise the pressure in the space to atmospheric and causes the compressible material to expand separating the inner and outer layers and forming an insulation therebetween.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,624,877 Inflatable mattress and method of making the same | 21 | 1983 | |
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| 4,274,158 Evacuated diving suit insulation | 16 | 1979 | |
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| 4,242,769 Anti-exposure inflatable structure | 36 | 1978 | |
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| 5,067,921 Inflatable immersion suit | 10 | 1989 | |