Patent US3253568A successfully refreshed from Google Patents.
US3253568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propelled boat
Assignee: Individual
•
Filing: 1964-05-04
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Granted: 1966-05-31
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Cannizzaro Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:22
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/12; B63H20/00; B63H20/24; B63H20/245; B63H25/00; B63H25/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A DRIVE SYSTEM FOR A MOTORBOAT, COMPRISING A PAIR A JET MOTORS MOUNTED OUTSIDE THE BOAT AT OPPOSITE SIDES OF THE BOAT NEAR THE TOP OF THE BOW END THEREOF, MAIN EXHAUST PIPES DISPOSED OUTSIDE THE BOAT, CONNECTED TO THE JET MOTORS RESPECTIVELY AND EXTENDING REARWARDLY AND DOWNWARDLY TO POINTS BELOW THE WATERLINE OF THE BOAT, GAS EXHAUST PIPE END SECTIONS MOVABLY DISPOSED OUTSIDE THE BOAT AND CONNECTED TO THE MAIN EXHAUST PIPES, AND SAID END SECTIONS EXTENDING IN A HORIZONTAL PLANE AND OPENING REARWARDLY OF THE BOAT, MEANS FOR DEFLECTING THE END SECTIONS
Claim 2
Dependent Claim
94 words
A DRIVE SYSTEM FOR A MOTORBOAT, COMPRISING A PAIR A JET MOTORS MOUNTED OUTSIDE THE BOAT AT OPPOSITE SIDES OF THE BOAT NEAR THE TOP OF THE BOW END THEREOF, MAIN EXHAUST PIPES DISPOSED OUTSIDE THE BOAT, CONNECTED TO THE JET MOTORS RESPECTIVELY AND EXTENDING REARWARDLY AND DOWNWARDLY TO POINTS BELOW THE WATERLINE OF THE BOAT, GAS EXHAUST PIPE END SECTIONS MOVABLY DISPOSED OUTSIDE THE BOAT AND CONNECTED TO THE MAIN EXHAUST PIPES, AND SAID END SECTIONS EXTENDING IN A HORIZONTAL PLANE AND OPENING REARWARDLY OF THE BOAT, MEANS FOR DEFLECTING THE END SECTIONS
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |