US3091206A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High speed planing hull
Assignee: Individual
•
Filing: 1959-05-27
•
Granted: 1963-05-28
•
Expires: 1979-05-27
Abstract
No abstract record available.
Inventors
- 👤 Richard C Cale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:42
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/18; B63B1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PLANING HULL COMPRISING A PLURALITY OF TRANSVERSE STEPS RECESSED INTO THE PLANING SURFACE, EACH OF SAID STEPS BEING ANGULARLY INCLINED TOWARD THE STERN OF SAID HULL, THE WIDTH OF SAID STEPS BEING SUBSTANTIALLY LESS THAN THE WIDTH OF SAID PLANING SURFACE, VENTING MEANS FOR REDUCING THE NEGATIVE PRESSURE CREATED BY EACH OF SAID STEPS, MEANS FOR CLOSING AT LEAST ONE OF SAID VENTING MEANS, ADJUSTING MEANS FOR VARYING THE ANGLE OF INCLINATION OF ONE OF SAID STEPS, CONTROL MEANS FOR ACTUATING SAID ADJUSTING MEANS, SAID CONTROL MEANS BEING RESPONSIVE TO PRESSURE CHANGES AT THE BOW OF SAID HULL.
Claim 2
Dependent Claim
99 words
A PLANING HULL COMPRISING A PLURALITY OF TRANSVERSE STEPS RECESSED INTO THE PLANING SURFACE, EACH OF SAID STEPS BEING ANGULARLY INCLINED TOWARD THE STERN OF SAID HULL, THE WIDTH OF SAID STEPS BEING SUBSTANTIALLY LESS THAN THE WIDTH OF SAID PLANING SURFACE, VENTING MEANS FOR REDUCING THE NEGATIVE PRESSURE CREATED BY EACH OF SAID STEPS, MEANS FOR CLOSING AT LEAST ONE OF SAID VENTING MEANS, ADJUSTING MEANS FOR VARYING THE ANGLE OF INCLINATION OF ONE OF SAID STEPS, CONTROL MEANS FOR ACTUATING SAID ADJUSTING MEANS, SAID CONTROL MEANS BEING RESPONSIVE TO PRESSURE CHANGES AT THE BOW OF SAID HULL.
References Cited (Backward Citations)
US928579A
Cited
US976588A
Cited
GB190917525A
Cited
US1161896A
Cited
US1237715A
Cited
US1396831A
Cited
US1637677A
Cited
US1831339A
Cited
US1880371A
Cited
US1824313A
Cited
US1868054A
Cited
US2234899A
Cited
US2336987A
Cited
US2890671A
Cited
US2709979A
Cited
US2708894A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |