Patent US3164116A successfully refreshed from Google Patents.
US3164116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrofoils
Assignee: AQUA FLITE HYDROFOIL CORP
•
Filing: 1960-03-25
•
Granted: 1965-01-05
•
Expires: 1980-03-25
Abstract
No abstract record available.
Inventors
- 👤 Lopez Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:25
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/24; B63B1/28; B63B1/30; B63B1/285
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
IN A WATER CRAFT INCLUDING A BOAT HAVING A POWER PLANT THAT DEVELOPS A FORWARD THRUST, HYDROFOILS THAT EXTEND DOWNWARDLY AND INWARDLY WITH RESPECT TO THE BOAT AND TO A LEVEL SUBSTANTIALLY LOWER THAN THE BOAT, THE POSITIONS AND LIFTS OF THE HYDROFOILS BEING CORRELATED WITH THE WEIGHT AND POWER OF THE BOAT SO THAT THE HYDROFOILS EXTEND PART WAY OUT OF THE WATER WHEN THE BOAT IS FOILBORNE AT SUBSTANTIALLY FULL POWER, AND MEANS CONNECTING THE HYDROFOILS TO THE BOAT INCLUDING A STRUT CONNECTED TO EACH HYDROFOIL AND EXTENDING UPWARDLY AND INWARDLY, THE IMPROVEMENT WHICH COMPRISES THE STRUT BEING CONNECTED TO THE HYDROFOIL ABOVE THE PORTION OF THE HYDROFOIL THAT IS SUBMERGED WHEN THE BOAT IS FOILBORNE UNDER SUBSTANTIALLY FULL POWER AND THE LENGTH OF EACH HYDROFOIL BELOW ITS CONNECTION TO THE STRUT BEING A CANTILEVER AND HAVING ITS LOWER END SPACED FROM THE BOAT AND FROM THE LOWER END OF THE OTHER HYDROFOIL.
Claim 2
Dependent Claim
155 words
IN A WATER CRAFT INCLUDING A BOAT HAVING A POWER PLANT THAT DEVELOPS A FORWARD THRUST, HYDROFOILS THAT EXTEND DOWNWARDLY AND INWARDLY WITH RESPECT TO THE BOAT AND TO A LEVEL SUBSTANTIALLY LOWER THAN THE BOAT, THE POSITIONS AND LIFTS OF THE HYDROFOILS BEING CORRELATED WITH THE WEIGHT AND POWER OF THE BOAT SO THAT THE HYDROFOILS EXTEND PART WAY OUT OF THE WATER WHEN THE BOAT IS FOILBORNE AT SUBSTANTIALLY FULL POWER, AND MEANS CONNECTING THE HYDROFOILS TO THE BOAT INCLUDING A STRUT CONNECTED TO EACH HYDROFOIL AND EXTENDING UPWARDLY AND INWARDLY, THE IMPROVEMENT WHICH COMPRISES THE STRUT BEING CONNECTED TO THE HYDROFOIL ABOVE THE PORTION OF THE HYDROFOIL THAT IS SUBMERGED WHEN THE BOAT IS FOILBORNE UNDER SUBSTANTIALLY FULL POWER AND THE LENGTH OF EACH HYDROFOIL BELOW ITS CONNECTION TO THE STRUT BEING A CANTILEVER AND HAVING ITS LOWER END SPACED FROM THE BOAT AND FROM THE LOWER END OF THE OTHER HYDROFOIL.
References Cited (Backward Citations)
CA529476A
Cited
US1073567A
Cited
US1112405A
Cited
GB190719496A
Cited
FR458807A
Cited
FR501488A
Cited
US1356300A
Cited
US1720167A
Cited
GB405615A
Cited
US2073438A
Cited
GB458111A
Cited
GB582985A
Cited
GB657488A
Cited
US2603179A
Cited
US3031099A
Cited
GB814173A
Cited
US2914014A
Cited
US2856877A
Cited
DE1066897B
Cited
US2887979A
Cited
US2926623A
Cited
US2998792A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-01-05 | 1968-07-06 | 1969-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-01-05 | 1972-07-06 | 1973-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-01-05 | 1976-07-06 | 1977-01-05 | $7700.00 | Window Closed / Lapsed |