Patent US3330239A successfully refreshed from Google Patents.
US3330239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boat hull with tunneled v-bottom
Assignee: Individual
•
Filing: 1964-09-03
•
Granted: 1967-07-11
•
Expires: 1984-09-03
Abstract
No abstract record available.
Inventors
- 👤 Henry J Dornak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:31
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
134 words
A BOAT HULL INCLUDING A BOTTOM SUBSTANTIALLY V-SHAPED IN TRANSVERSE CROSS-SECTION, SAID BOTTOM DEFINING A FORWARD UPWARDLY AND FORWARDLY CURVING BOW PORTION AND A SUBSTANTIALLY LONGITUDINALLY STRAIGHT AFT PLANING PORTION, SAID PLANING PORTION OF SAID BOTTOM DEFINING A LONGITUDINAL CENTER LINE AND AT LEAST ONE PAIR OF DOWNWARDLY OPENING GENERALLY INVERTED V-SHAPED AND LONGITUDINALLY STARIGHT LIFT TUNNELS EXTENDING ALONG OPPOSITE SIDES OF SAID CENTER LINE, EACH OF SAID TUNNELS INCLUDING INNER AND OUTER DOWNWARDLY DIVERGENT SURFACES INCLUDING MAJOR PORTIONS THAT ARE SUBSTANTIALLY PLANAR, SAID INNER SURFACES BEING DOWNWARDLY AND INWARDLY INCLINED AND SAID OUTER SURFACES BEING DOWNWARDLY AND OUTWARDLY INCLINED, THE ANGLE OF SAID INNER SURFACES RELATIVE TO THE DEAD RISE OF SAID HULL BEING LESS THAN 30 DEGREES AND SAID OUTER SURFACES BEING INCLINED AT LEAST 10 DEGREES RELATIVE TO A HORIZONTAL PLANE.
Claim 2
Dependent Claim
134 words
A BOAT HULL INCLUDING A BOTTOM SUBSTANTIALLY V-SHAPED IN TRANSVERSE CROSS-SECTION, SAID BOTTOM DEFINING A FORWARD UPWARDLY AND FORWARDLY CURVING BOW PORTION AND A SUBSTANTIALLY LONGITUDINALLY STRAIGHT AFT PLANING PORTION, SAID PLANING PORTION OF SAID BOTTOM DEFINING A LONGITUDINAL CENTER LINE AND AT LEAST ONE PAIR OF DOWNWARDLY OPENING GENERALLY INVERTED V-SHAPED AND LONGITUDINALLY STARIGHT LIFT TUNNELS EXTENDING ALONG OPPOSITE SIDES OF SAID CENTER LINE, EACH OF SAID TUNNELS INCLUDING INNER AND OUTER DOWNWARDLY DIVERGENT SURFACES INCLUDING MAJOR PORTIONS THAT ARE SUBSTANTIALLY PLANAR, SAID INNER SURFACES BEING DOWNWARDLY AND INWARDLY INCLINED AND SAID OUTER SURFACES BEING DOWNWARDLY AND OUTWARDLY INCLINED, THE ANGLE OF SAID INNER SURFACES RELATIVE TO THE DEAD RISE OF SAID HULL BEING LESS THAN 30 DEGREES AND SAID OUTER SURFACES BEING INCLINED AT LEAST 10 DEGREES RELATIVE TO A HORIZONTAL PLANE.
References Cited (Backward Citations)
US1933598A
Cited
US2875720A
Cited
US3040687A
Cited
US3077172A
Cited
US3117544A
Cited
US3113543A
Cited
US3216389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |