US3345968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrofoil
Assignee: Individual
•
Filing: 1966-04-29
•
Granted: 1967-10-10
•
Expires: 1986-04-29
Abstract
No abstract record available.
Inventors
- 👤 David Z Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:05
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/24; B63B1/28; B63B1/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN COMBINATION: (A) A WATERCRAFT, (B) A HYDROFOIL STRUCTURE INCLUDING (I) HYDROFOIL HAVING A HYDRODYNAMIC CENTERLINE AND (II) STRUT MEANS HAVING SAID HYDROFOIL SECURED RIGIDLY THERTO, AND (C) MOUNTING MEANS ON SAID WATERCRAFT SUPPORTING SAID STRUT MEANS WITH SAID HYDROFOIL IN A FULL SUBMERGED POSITION TO PROVIDE A LIFTING COMPONENT ALONG SAID HYDRODYNAMIC CENTERLINE WHEN SAID CRAFT HAS FORWARD VELOCITY ACROSS THE SURFACE OF A BODY OF WATER, SAID MOUNTING MEANS INCLUDING (I) MEANS FOR OSCILLATING SAID HYDROFOIL STRUCTURE RELATIVE TO SAID CRAFT ABOUT A FIXED TRANSVERSE AXIS IN THE VICINITY OF SAID HYDRODYNAMIC CENTERLINE.
Claim 2
Dependent Claim
95 words
IN COMBINATION: (A) A WATERCRAFT, (B) A HYDROFOIL STRUCTURE INCLUDING (I) HYDROFOIL HAVING A HYDRODYNAMIC CENTERLINE AND (II) STRUT MEANS HAVING SAID HYDROFOIL SECURED RIGIDLY THERTO, AND (C) MOUNTING MEANS ON SAID WATERCRAFT SUPPORTING SAID STRUT MEANS WITH SAID HYDROFOIL IN A FULL SUBMERGED POSITION TO PROVIDE A LIFTING COMPONENT ALONG SAID HYDRODYNAMIC CENTERLINE WHEN SAID CRAFT HAS FORWARD VELOCITY ACROSS THE SURFACE OF A BODY OF WATER, SAID MOUNTING MEANS INCLUDING (I) MEANS FOR OSCILLATING SAID HYDROFOIL STRUCTURE RELATIVE TO SAID CRAFT ABOUT A FIXED TRANSVERSE AXIS IN THE VICINITY OF SAID HYDRODYNAMIC CENTERLINE.
References Cited (Backward Citations)
US2709979A
Cited
US3031999A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |