US3216389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat hull
Assignee: Individual
•
Filing: 1964-01-20
•
Granted: 1965-11-09
•
Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Ole I Thorsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:43
CPC Classifications
B; B63; B63B; B63B1/00; B63B1/16; B63B1/18; B63B1/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A BOAT HULL HAVING A BOTTOM PORTION WITH THE GENERAL SHAPE OF A V, SAID BOTTOM PORTION INCLUDING A PLURALITY OF PAIRS OF LONGITUDINAL PLANING SURFACES, SAID PLANING SURFACES HAVING A SMOOTH, CONTINUOUS CONCAVE CURVATURE AND BEING ARRANGED IN SYMMETRICAL PAIRS OPPOSITE EACH OTHER TO FORM THE LEGS OF SAID V AND EXTENDING SUBSTANTIALLY FROM THE BOW TO THE TRANSOM OF SAID BOAT HULL, A SUBSTANTIALLY FLAT KEEL, AND A PLURALITY OF EDGE PORTIONS FORMING CHINES SEPARATING SAID PLANING SURFACES, SAID CHINES AND SAID PLANING SURFACES RUNNING ALONG AXES SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID KEEL FROM AT LEAST THE MIDSHIP POINT ON SAID HULL
Claim 2
Dependent Claim
107 words
A BOAT HULL HAVING A BOTTOM PORTION WITH THE GENERAL SHAPE OF A V, SAID BOTTOM PORTION INCLUDING A PLURALITY OF PAIRS OF LONGITUDINAL PLANING SURFACES, SAID PLANING SURFACES HAVING A SMOOTH, CONTINUOUS CONCAVE CURVATURE AND BEING ARRANGED IN SYMMETRICAL PAIRS OPPOSITE EACH OTHER TO FORM THE LEGS OF SAID V AND EXTENDING SUBSTANTIALLY FROM THE BOW TO THE TRANSOM OF SAID BOAT HULL, A SUBSTANTIALLY FLAT KEEL, AND A PLURALITY OF EDGE PORTIONS FORMING CHINES SEPARATING SAID PLANING SURFACES, SAID CHINES AND SAID PLANING SURFACES RUNNING ALONG AXES SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF SAID KEEL FROM AT LEAST THE MIDSHIP POINT ON SAID HULL
References Cited (Backward Citations)
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Cited
US1296155A
Cited
US1726439A
Cited
GB317054A
Cited
US2887978A
Cited
US3040687A
Cited
US3117544A
Cited
US3135976A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |