Patent US3124096A successfully refreshed from Google Patents.
US3124096A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Figure
Assignee: —
•
Filing: —
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Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:54
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/18; B63B1/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A WATERCRAFT OF THE CHARACTER DESCRIBED, AT LEAST ONE HYDROFOIL MOUNTED ON PORT AND ONE HYDROFOIL MOUNTED ON STARBOARD OF SAID WATERCRAFT, SAID HYDROFOILS MOVABLY MOUNTED IN A MANNER WHICH PERMITS LOWERING AND RAISING OF SAID HYDROFOILS, SAID HYDROFOILS BEING ORIENTED DOWNWARDLY AND NORMALLY MOUNTED AT LEAST PARTIALLY OUT OF THE WATER, EACH HYDROFOIL ADAPTED TO GENERATE, WHEN IMMERSED TO ANY EXTENT, OUTWARDLY DIRECTED HYDRODYNAMIC LIFT FORCES, SAID LIFT FORCES FOLLOWING A LINE OF ACTION PASSING BELOW THE CENTER OF GRAVITY OF SAID WATERCRAFT, MEANS IN SAID WATERCRAFT RESPONSIVE TO CONTROL ACTIVATION AND OPERABLY CONNECTED TO SAID HYDROFOILS, SAID LAST MEANS ADAPTED TO MOVE DIFFERENTIALLY SAID HYDROFOILS IN SAID MANNER, THEREBY PRODUCING A RESULTANT ROLLING MOMENT CAUSING SAID WATERCRAFT TO ASSUME A BANK AT THE ANGLE DETERMINED BY SAID CONTROL ACTIVATION.
Claim 2
Dependent Claim
132 words
IN A WATERCRAFT OF THE CHARACTER DESCRIBED, AT LEAST ONE HYDROFOIL MOUNTED ON PORT AND ONE HYDROFOIL MOUNTED ON STARBOARD OF SAID WATERCRAFT, SAID HYDROFOILS MOVABLY MOUNTED IN A MANNER WHICH PERMITS LOWERING AND RAISING OF SAID HYDROFOILS, SAID HYDROFOILS BEING ORIENTED DOWNWARDLY AND NORMALLY MOUNTED AT LEAST PARTIALLY OUT OF THE WATER, EACH HYDROFOIL ADAPTED TO GENERATE, WHEN IMMERSED TO ANY EXTENT, OUTWARDLY DIRECTED HYDRODYNAMIC LIFT FORCES, SAID LIFT FORCES FOLLOWING A LINE OF ACTION PASSING BELOW THE CENTER OF GRAVITY OF SAID WATERCRAFT, MEANS IN SAID WATERCRAFT RESPONSIVE TO CONTROL ACTIVATION AND OPERABLY CONNECTED TO SAID HYDROFOILS, SAID LAST MEANS ADAPTED TO MOVE DIFFERENTIALLY SAID HYDROFOILS IN SAID MANNER, THEREBY PRODUCING A RESULTANT ROLLING MOMENT CAUSING SAID WATERCRAFT TO ASSUME A BANK AT THE ANGLE DETERMINED BY SAID CONTROL ACTIVATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |