US Patent No: 6,634,310
Number of patents in Portfolio can not be more than 2000
High efficiency high speed ship
Stats
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Oct 21, 2003
Issued date -
Feb 4, 2002
filing date -
10/067,172
serial no -
Expired
status
Importance
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Abstract
Presented is a high efficiency high-speed boat or ship that has multiple hulls. These multiple hulls can include recesses in their undersides that are supplied with pressurized air to form supporting air cushions. There is a support and stability adding hydrofoil disposed between two of the multi-hulls and one trimmable hydrofoil mounted to the transom in the preferred embodiment of the invention. There are water deflecting steps forward of recesses inset in one or more sides of the multi-hulls where such recesses are preferably above the sidehull chines.
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First Claim
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,665,853 Foil arrangement for a planning craft | 23 | 1986 | |
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| 4,348,195 Multiple step vented hull | 8 | 1979 | |
| 4,909,175 Boat with trimmable bottom | 18 | 1988 | |
| 5,570,650 Surface effect vessel hull | 19 | 1996 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 21, 2015 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| 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 |