US Patent No: 7,150,667
Number of patents in Portfolio can not be more than 2000
Metal air battery and buoyancy module for life vests
Stats
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Dec 19, 2006
Issued date -
Oct 27, 2004
filing date -
10/975,118
serial no -
Expired
status
Importance
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Abstract
An individual flotation device includes a shell that has a cavity for receiving air and a housing that is connected to the shell. The housing has a metal air battery compartment that is dimensioned and configured to receive a metal air battery and also has an aperture. The housing may be located on the shell such that the aperture will generally remain above water during use of the flotation device. A membrane that may comprise hydrophobic properties may be located within the aperture of the housing.
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First Claim
Related Publications
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 6,087,996 Thin-film antenna device for use with remote vehicle starting systems | 17 | 1997 | |
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| 4,237,526 Battery operated device having a waterproof housing and gas discharge vent | 41 | 1978 | |
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| 5,458,516 Atmospheric self inflatable suit | 12 | 1994 | |
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| 6,492,046 Metal-air battery | 22 | 2000 | |
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| 6,464,742 Floating air breathing power source (FABPS) | 2 | 2000 | |
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| 4,885,217 Air cathodes and materials therefor | 19 | 1987 | |
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| 5,603,648 Outdoor survival garment | 17 | 1995 | |
| 6,439,941 Automated fail-safe sea rescue flotation system | 10 | 2001 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 19, 2014 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 19, 2018 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |