US3149602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrofoil boat with wave and cavitation control
Assignee: Boeing Co
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Filing: 1963-03-11
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Granted: 1964-09-22
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Expires: 1983-03-11
Abstract
No abstract record available.
Inventors
- 👤 Vogt Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:13
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/24; B63B1/28; B63B1/285; B63B1/286
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
187 words
A HYDROFOIL BOAT COMPRISING IN COMBINATION, A BOAT, HYDROFOIL MEANS CONNECTED TO SAID BOAT AND COMPRISING AT LEAST TWO HYDROFOILS, SAID HYDROFOIL MEANS COMPRISING MEANS FOR RAISING AND LOWERING THE BOAT RELATIVE TO THE SURFACE OF THE WATER BETWEEN A POSITION WHEREIN THE BOAT IS ABOUT TO CONTACT THE SURFACE OF THE WATER AND A POSITION WHEREIN THE HYDROFOILS ARE AT OR ABOVE A CAVIATION LINE WHERE CAVITATION OF SAID HYDROFOILS MAY RESULT, MEANS FOR CONTROLLING SAID HYDROFOIL MEANS, SAID CONTROL MEANS COMPRISING A WATER SURFACE DETECTING MEANS NORMALLY POSITIONED ABOVE THE SURFACE OF THE WATER AND ROTATABLE ABOUT A THWARTSHIP AXIS WHEN CONTACT IS MADE WITH THE SURFACE OF THE WATER, MECHANICAL LINKAGE MEANS INCLUDING A PLURALITY OF INTERCONNECTED LINKS CONNECTED DIRECTLY TO SAID WATER SURFACE DETECTING MEANS, SAID MECHANICAL LINKAGE MEANS BEING RESPONSIVE TO SAID WATER SURFACE DETECTING MEANS FOR TRANSMITTING A BOAT UP COMMAND TO SAID HYDROFOIL MEANS, AND A CAVITATION DETECTING MEANS NORMALLY PROTRUDING BENEATH THE SURFACE OF THE WATER AND ROTATABLE ABOUT A THWARTSHIP AXIS WHEN SAID HYDROFOILS REACH THE CAVITATION LINE TO TRANSMIT A BOAT DOWN COMMAND TO SAID HYDROFOIL MEANS.
Claim 2
Dependent Claim
187 words
A HYDROFOIL BOAT COMPRISING IN COMBINATION, A BOAT, HYDROFOIL MEANS CONNECTED TO SAID BOAT AND COMPRISING AT LEAST TWO HYDROFOILS, SAID HYDROFOIL MEANS COMPRISING MEANS FOR RAISING AND LOWERING THE BOAT RELATIVE TO THE SURFACE OF THE WATER BETWEEN A POSITION WHEREIN THE BOAT IS ABOUT TO CONTACT THE SURFACE OF THE WATER AND A POSITION WHEREIN THE HYDROFOILS ARE AT OR ABOVE A CAVIATION LINE WHERE CAVITATION OF SAID HYDROFOILS MAY RESULT, MEANS FOR CONTROLLING SAID HYDROFOIL MEANS, SAID CONTROL MEANS COMPRISING A WATER SURFACE DETECTING MEANS NORMALLY POSITIONED ABOVE THE SURFACE OF THE WATER AND ROTATABLE ABOUT A THWARTSHIP AXIS WHEN CONTACT IS MADE WITH THE SURFACE OF THE WATER, MECHANICAL LINKAGE MEANS INCLUDING A PLURALITY OF INTERCONNECTED LINKS CONNECTED DIRECTLY TO SAID WATER SURFACE DETECTING MEANS, SAID MECHANICAL LINKAGE MEANS BEING RESPONSIVE TO SAID WATER SURFACE DETECTING MEANS FOR TRANSMITTING A BOAT UP COMMAND TO SAID HYDROFOIL MEANS, AND A CAVITATION DETECTING MEANS NORMALLY PROTRUDING BENEATH THE SURFACE OF THE WATER AND ROTATABLE ABOUT A THWARTSHIP AXIS WHEN SAID HYDROFOILS REACH THE CAVITATION LINE TO TRANSMIT A BOAT DOWN COMMAND TO SAID HYDROFOIL MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |