US3175528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed watercraft
Assignee: Individual
•
Filing: 1963-09-30
•
Granted: 1965-03-30
•
Expires: 1983-09-30
Abstract
No abstract record available.
Inventors
- 👤 Vinten Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:08
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/18; B63B1/20; B63B2001/201; B63B2001/203
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A PLANNING HULL FOR WATERCRAFT, SAID HULL HAVING SIDES WHICH ARE SUBSTANTIALLY PARALLEL IN THE FORE AND AFT DIRECTION AND TWO DOWNWARDLY FACING SURFACRS FORMING PART OF THE BOTTOM OF THE HULL AND INCLINED UPWARDLY TO WARDS THE CENTER LINE OF THE HULL AND BEING CONNECTED TOGETHER BELOW THE WATER LINE OF THE HULL BY A NACELLE SURFACE EXTENDING LONGITUDINALLY OF THE CENTER LINE OF THE HULL AND BEING OF SUBSTANTIALLY THE SAME LENGTH AS THE HULL BUT OF LESSER DEPTH THAN THE SIDES OF RISING ABOVE THE WATER LINE AT THE BOWS SO THAT WHEN THE CRAFT IS MOVING IN THE FORWARD DIRECTION AT DISPLACEMENT SPEEDS, BOW WAVES ARE GENERATED PREDOMINANTLY BY THE DOWNWARDLY FACING INCLINED SURFACES AND ARE DEFLECTED INWARDLY TO MEET AT THE CENTER LINE OF THE HULL BY REASON OF THE INCLINATION OF SAID SURFACES AND ARE THEREBY CAUSED TO IMPINGE ON THE NACELLE SURFACE.
Claim 2
Dependent Claim
149 words
A PLANNING HULL FOR WATERCRAFT, SAID HULL HAVING SIDES WHICH ARE SUBSTANTIALLY PARALLEL IN THE FORE AND AFT DIRECTION AND TWO DOWNWARDLY FACING SURFACRS FORMING PART OF THE BOTTOM OF THE HULL AND INCLINED UPWARDLY TO WARDS THE CENTER LINE OF THE HULL AND BEING CONNECTED TOGETHER BELOW THE WATER LINE OF THE HULL BY A NACELLE SURFACE EXTENDING LONGITUDINALLY OF THE CENTER LINE OF THE HULL AND BEING OF SUBSTANTIALLY THE SAME LENGTH AS THE HULL BUT OF LESSER DEPTH THAN THE SIDES OF RISING ABOVE THE WATER LINE AT THE BOWS SO THAT WHEN THE CRAFT IS MOVING IN THE FORWARD DIRECTION AT DISPLACEMENT SPEEDS, BOW WAVES ARE GENERATED PREDOMINANTLY BY THE DOWNWARDLY FACING INCLINED SURFACES AND ARE DEFLECTED INWARDLY TO MEET AT THE CENTER LINE OF THE HULL BY REASON OF THE INCLINATION OF SAID SURFACES AND ARE THEREBY CAUSED TO IMPINGE ON THE NACELLE SURFACE.
References Cited (Backward Citations)
US277443A
Cited
US2735392A
Cited
US987059A
Cited
US1220558A
Cited
US1581881A
Cited
US2397683A
Cited
US2474667A
Cited
US2725027A
Cited
US2989939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |