US3266242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet propelled water craft
Assignee: Twin Disc Inc
•
Filing: 1963-05-17
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Granted: 1966-08-16
•
Expires: 1983-05-17
Abstract
No abstract record available.
Inventors
- 👤 George R Aschauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:18
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/02; B63H11/10; B63H11/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
IN JET PROPELLED WATER CRAFT HAVING NOZZLE PASSAGE MEANS AND PUMPING MEANS FOR DISCHARGING WATER THROUGH THE NOZZLE MEANS AS A REACTION PROPULSIVE JET, CONTROL MEANS FOR REGULATING THE JET FLOW COMPRISING A HOUSING CARRIED BY THE CRAFT AND ABOVE THE WATER LINE AND THROUGH WHICH THE NOZZLE AND LOWER FLAT SURFACES WHICH PARTIALLY DEFINE SAID PASSAGE MEANS, THE PASSAGE MEANS ALSO BEING PARTLY DEFINED BY UNITARY SLIDABLE DOOR MEANS WHICH INCLUDES A VERTICAL, FLEXIBLE DOOR HAVING A FLEXING CAPABILITY RELATIVE TO THE PLANE THEREOF THROUGHOUT ITS LENGTH AND RIGIDITY AGAINST PRESSURES ACTING TRANSVERSELY THEREOF, MEANS FOR MOUNTING SAID DOOR ON SAID SURFACES AND IN SAID PASSAGE MEANS FOR SHIFTING AND FLEXING TO VARY THE CROSS SECTIONAL AREA OF SAID PASSAGE MEANS, AND MEANS FOR POSITIONING THE DOOR MEANS TO VARY THE RATIO OF JET TO CRAFT SPEED.
Claim 2
Dependent Claim
138 words
IN JET PROPELLED WATER CRAFT HAVING NOZZLE PASSAGE MEANS AND PUMPING MEANS FOR DISCHARGING WATER THROUGH THE NOZZLE MEANS AS A REACTION PROPULSIVE JET, CONTROL MEANS FOR REGULATING THE JET FLOW COMPRISING A HOUSING CARRIED BY THE CRAFT AND ABOVE THE WATER LINE AND THROUGH WHICH THE NOZZLE AND LOWER FLAT SURFACES WHICH PARTIALLY DEFINE SAID PASSAGE MEANS, THE PASSAGE MEANS ALSO BEING PARTLY DEFINED BY UNITARY SLIDABLE DOOR MEANS WHICH INCLUDES A VERTICAL, FLEXIBLE DOOR HAVING A FLEXING CAPABILITY RELATIVE TO THE PLANE THEREOF THROUGHOUT ITS LENGTH AND RIGIDITY AGAINST PRESSURES ACTING TRANSVERSELY THEREOF, MEANS FOR MOUNTING SAID DOOR ON SAID SURFACES AND IN SAID PASSAGE MEANS FOR SHIFTING AND FLEXING TO VARY THE CROSS SECTIONAL AREA OF SAID PASSAGE MEANS, AND MEANS FOR POSITIONING THE DOOR MEANS TO VARY THE RATIO OF JET TO CRAFT SPEED.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |