US3185124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stern steering for hydraulic jet boat
Assignee: Individual
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Filing: 1961-07-17
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Granted: 1965-05-25
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Henry U Spence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:29
CPC Classifications
B; B63; B63H; B63H25/00; B63H25/46; B63H11/00; B63H11/02; B63H11/10; B63H11/107; B63H11/117
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A DIRECTIONAL CONTROL MEANS FOR A HYDRAULIC JET TURBINE, A VENTURI SECTION HAVING A MAIN PROPULSION OPENING, A MAIN SHUT-OFF VALVE IN SAID VENTURI SECTION COMPRISING A HORIZONTALLY PIVOTED MEMBER CLOSING SAID OPENING, A MAIN RUDDER DISPOSED IN THE PATH OF SAID WATER THROUGH THE VENTURI, A REVERSING NOZZLE CONNECTED TO SAID RUDDER, AND HAVING A NOZZLE OPENING FORWARD THEREFROM, A PASSAGEWAY INTO SAID REVERSING NOZZLE FROM SAID VENTURI SECTION, SAID VALVE BEING ABLE TO CLOSE THE VENTURI NOZZLE SELECTIVELY EITHER TO STOP FLOW OF WATER THROUGH THE VENTURI SECTION OR THE DIRECT WATER INTO THE REVERSING NOZZLE.
Claim 2
Dependent Claim
99 words
IN A DIRECTIONAL CONTROL MEANS FOR A HYDRAULIC JET TURBINE, A VENTURI SECTION HAVING A MAIN PROPULSION OPENING, A MAIN SHUT-OFF VALVE IN SAID VENTURI SECTION COMPRISING A HORIZONTALLY PIVOTED MEMBER CLOSING SAID OPENING, A MAIN RUDDER DISPOSED IN THE PATH OF SAID WATER THROUGH THE VENTURI, A REVERSING NOZZLE CONNECTED TO SAID RUDDER, AND HAVING A NOZZLE OPENING FORWARD THEREFROM, A PASSAGEWAY INTO SAID REVERSING NOZZLE FROM SAID VENTURI SECTION, SAID VALVE BEING ABLE TO CLOSE THE VENTURI NOZZLE SELECTIVELY EITHER TO STOP FLOW OF WATER THROUGH THE VENTURI SECTION OR THE DIRECT WATER INTO THE REVERSING NOZZLE.
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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |