US3324815A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivotally mounted keel hydrofoil
Assignee: Individual
•
Filing: 1966-02-01
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Granted: 1967-06-13
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Expires: 1986-02-01
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Morales
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:21
CPC Classifications
B; B63; B63B; B63B41/00; B63B39/00; B63B39/06; B63B2039/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A BOAT HAVING A FIXED PROTRUDING LONGITUDINALLY DOWN FROM THE BOTTOM OF SAID BOAT ALONG THE CENTER LINE THEREOF, SAID FIXED KEEL INCLUDING A FORE STRUT PORTION AND AN AFT STRUT PORTION SPACED APART SO AS TO DEFINE A CENTRAL CUTOUT PORTION IN THE BOTTOM OF SAID FIXED KEEL, A HYDROFOIL MEMBER HAVING A CAMBERED SURFACE, MEANS FOR PIVOTALLY MOUNTING SAID HYDROFOIL MEMBER BETWEEN SAID FORE AND AFT STRUT PORTIONS IN SUCH A MANNER THAT IT CAN BE ROTATED SUBSTANTIALLY 180* WITHIN SAID CUTOUT PORTION BETWEEN A VERTICAL POSITION WHERE THE CAMBERED SURFACE IS STARBOARD AND A VERTICAL POSITION WHERE THE CAMBERED SURFACE IS PORT, AND MEANS FOR ROTATING SAID HYDROFOIL MEMBER.
Claim 2
Dependent Claim
112 words
A BOAT HAVING A FIXED PROTRUDING LONGITUDINALLY DOWN FROM THE BOTTOM OF SAID BOAT ALONG THE CENTER LINE THEREOF, SAID FIXED KEEL INCLUDING A FORE STRUT PORTION AND AN AFT STRUT PORTION SPACED APART SO AS TO DEFINE A CENTRAL CUTOUT PORTION IN THE BOTTOM OF SAID FIXED KEEL, A HYDROFOIL MEMBER HAVING A CAMBERED SURFACE, MEANS FOR PIVOTALLY MOUNTING SAID HYDROFOIL MEMBER BETWEEN SAID FORE AND AFT STRUT PORTIONS IN SUCH A MANNER THAT IT CAN BE ROTATED SUBSTANTIALLY 180* WITHIN SAID CUTOUT PORTION BETWEEN A VERTICAL POSITION WHERE THE CAMBERED SURFACE IS STARBOARD AND A VERTICAL POSITION WHERE THE CAMBERED SURFACE IS PORT, AND MEANS FOR ROTATING SAID HYDROFOIL MEMBER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |