US3232261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Watercraft
Assignee: Individual
•
Filing: 1964-02-14
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Granted: 1966-02-01
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Expires: 1984-02-14
Abstract
No abstract record available.
Inventors
- 👤 Waldemar A Graig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:12
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/18; B63B1/22; B63B1/02; B63B1/10; B63B1/12; B63B1/125; B63B2001/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
A SURFACE WATERCRAFT INCLUDING A BODY, A PLURALITY OF AT LEAST THREE SUPPORT ELEMENTS GENERATING DYNAMIC LIFT FORCES DURING RUN TO SUPPORT SAID BODY, AT LEAST TWO OF THE SUPPORT ELEMENTS BEING HYDROPLANING ELEMENTS LATERALLY DISPOSED ON OPPOSITE SIDES OF THE BODY, SAID PLURALITY OF SUPPORT ELEMENTS INCLUDING FORE AND AFT SUPPORT ELEMENTS, OPERABLE KINEMATIC MEANS INTERCONNECTING AT LEAST TWO OF SAID SUPPORT ELEMENTS AND SAID BODY, STEERING MEANS TO OPERATE SAID KINEMATIC MEANS AND TO TILT SAID SUPPORT ELEMENTS AND SAID BODY RELATIVE TO THE WATER SURFACE, SAID KINEMATIC MEANS INCLUDING MEANS TO CORRELATE THE TILT ANGLES OF SAID FORE AND AFT SUPPORT ELEMENTS INTO COORDINATED MEANS TILTS WHEREBY THE RESULTANTS OF THE DYNAMIC LIFT FORCES ASSOCIATED WITH SAID FORE AND AFT SUPPORT ELEMENTS ARE TILTED RELATIVE TO EACH OTHER BY AN ANGLE OF SUCH SIGN AND MAGNITUDES AS TO PRODUCE A YAWING COUPLE SUBSTANTIALLY NEUTRALIZING SUCH OTHER YAWING COUPLES AND MOMENTS WHICH OPPOSE ALIGNMENT OF SAID WATERCRAFT WITH THE TANGENT TO ITS TRAJECTORY, AND MEANS FOR SUBSTANTIAL INHERENT DIRECTIONAL STABILIZATION OF SAID WATERCRAFT.
Claim 2
Dependent Claim
175 words
A SURFACE WATERCRAFT INCLUDING A BODY, A PLURALITY OF AT LEAST THREE SUPPORT ELEMENTS GENERATING DYNAMIC LIFT FORCES DURING RUN TO SUPPORT SAID BODY, AT LEAST TWO OF THE SUPPORT ELEMENTS BEING HYDROPLANING ELEMENTS LATERALLY DISPOSED ON OPPOSITE SIDES OF THE BODY, SAID PLURALITY OF SUPPORT ELEMENTS INCLUDING FORE AND AFT SUPPORT ELEMENTS, OPERABLE KINEMATIC MEANS INTERCONNECTING AT LEAST TWO OF SAID SUPPORT ELEMENTS AND SAID BODY, STEERING MEANS TO OPERATE SAID KINEMATIC MEANS AND TO TILT SAID SUPPORT ELEMENTS AND SAID BODY RELATIVE TO THE WATER SURFACE, SAID KINEMATIC MEANS INCLUDING MEANS TO CORRELATE THE TILT ANGLES OF SAID FORE AND AFT SUPPORT ELEMENTS INTO COORDINATED MEANS TILTS WHEREBY THE RESULTANTS OF THE DYNAMIC LIFT FORCES ASSOCIATED WITH SAID FORE AND AFT SUPPORT ELEMENTS ARE TILTED RELATIVE TO EACH OTHER BY AN ANGLE OF SUCH SIGN AND MAGNITUDES AS TO PRODUCE A YAWING COUPLE SUBSTANTIALLY NEUTRALIZING SUCH OTHER YAWING COUPLES AND MOMENTS WHICH OPPOSE ALIGNMENT OF SAID WATERCRAFT WITH THE TANGENT TO ITS TRAJECTORY, AND MEANS FOR SUBSTANTIAL INHERENT DIRECTIONAL STABILIZATION OF SAID WATERCRAFT.
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) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |