US3102389A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrojet propulsion and control means for boats
Assignee: Curtiss Wright Corp
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Filing: 1961-03-31
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Granted: 1963-09-03
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
- 👤 George H Pedersen
- 👤 Wayne L Robb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:28
CPC Classifications
B; B63; B63H; B63H11/00; B63H11/02; B63H11/04; B63H11/08; B63H11/10; B63H2011/081; Y; Y10; Y10S; Y10S239/00; Y10S239/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
BOAT PROPELLING MEANS COMPRISING IN COMBINATION A WATER PUMP, A MOTOR CONNECTED TO SAID PUMP IN DRIVING RELATIONSHIP THERETO, A HEADER COMMUNICATING WITH SAID PUMP AND DISPOSED DOWNSTREAM THEREFROM, A DRIVE NOZZLE COMMUNICATING WITH SAID HEADER AND DISPOSED DOWNSTREAM THEREFROM AND ADAPTED TO DISCHARGE A WATER JET STERNWARD, A REVERSE NOZZLE COMMUNICATING WITH SAID HEADER AND DISPOSED DOWNSTREAM THEREFROM AND ADAPTED TO DISCHARGE A WATER JET FORWARD, AND A VALVE DISPOSED WITHIN SAID HEADER AND ADAPTED TO SELECTIVELY CHANNEL WATER FROM SAID PUMP TO SAID DRIVE NOZZLE AND SAID REVERSE NOZZLE, SAID VALVE BEING RESPONSIVE TO WATER FLOW THROUGH SAID HEADER TO URGE SAID VALVE IN A DIRECTION CLOSING SAID REVERSE NOZZLE.
Claim 2
Dependent Claim
112 words
BOAT PROPELLING MEANS COMPRISING IN COMBINATION A WATER PUMP, A MOTOR CONNECTED TO SAID PUMP IN DRIVING RELATIONSHIP THERETO, A HEADER COMMUNICATING WITH SAID PUMP AND DISPOSED DOWNSTREAM THEREFROM, A DRIVE NOZZLE COMMUNICATING WITH SAID HEADER AND DISPOSED DOWNSTREAM THEREFROM AND ADAPTED TO DISCHARGE A WATER JET STERNWARD, A REVERSE NOZZLE COMMUNICATING WITH SAID HEADER AND DISPOSED DOWNSTREAM THEREFROM AND ADAPTED TO DISCHARGE A WATER JET FORWARD, AND A VALVE DISPOSED WITHIN SAID HEADER AND ADAPTED TO SELECTIVELY CHANNEL WATER FROM SAID PUMP TO SAID DRIVE NOZZLE AND SAID REVERSE NOZZLE, SAID VALVE BEING RESPONSIVE TO WATER FLOW THROUGH SAID HEADER TO URGE SAID VALVE IN A DIRECTION CLOSING SAID REVERSE 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) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |