US3292373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Marine propulsion apparatus
Assignee: Yanmar Co Ltd
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Filing: 1964-12-02
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Granted: 1966-12-20
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Tado Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:26
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/0004; F01P; F01P11/00; F01P11/08; F01P3/00; F01P3/20; F01P3/207; F01P2050/00; F01P2050/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A MARINE PROPULSION APPARATUS HAVING AN ENGINE AND A WATER JET PUMP TO UTILIZE THE REACTION PRODUCED BY JETS OF WATER FOR THE PROPULSION OF SHIPS, THE IMPROVEMENT COMPRISING A MOUNTING BLOCK FIXED ON SAID SHIP''S BOTTOM PLATE FOR SUPPORTING THEREON THE WATER JET PUMP, SAID MOUNTING BLOCK HAVING A WATER SUCTION PORT THERETHROUGH, A CHAMBER PROVIDED IN SAID MOUNTING BLOCK BETWEEN THE OUTER WALL OF SAID MOUNTING BLOCK AND THE PERIPHERAL WALL OF SAID WATER SUCTION PORT, SAID CHAMBER HAVING AN INLET FOR RECEIVING LUBRICATING OIL FROM SAID ENGINE AND AN OUTLET FOR DISCHARGING LUBRICATING OIL TO SAID ENGINE, SAID CHAMBR DEFIING A LUBRICATING OIL SUMP FOR THE ENGINE WHICH SERVES AS A LUBRICATING OIL COOLER FOR THE ENGINE.
Claim 2
Dependent Claim
121 words
IN A MARINE PROPULSION APPARATUS HAVING AN ENGINE AND A WATER JET PUMP TO UTILIZE THE REACTION PRODUCED BY JETS OF WATER FOR THE PROPULSION OF SHIPS, THE IMPROVEMENT COMPRISING A MOUNTING BLOCK FIXED ON SAID SHIP''S BOTTOM PLATE FOR SUPPORTING THEREON THE WATER JET PUMP, SAID MOUNTING BLOCK HAVING A WATER SUCTION PORT THERETHROUGH, A CHAMBER PROVIDED IN SAID MOUNTING BLOCK BETWEEN THE OUTER WALL OF SAID MOUNTING BLOCK AND THE PERIPHERAL WALL OF SAID WATER SUCTION PORT, SAID CHAMBER HAVING AN INLET FOR RECEIVING LUBRICATING OIL FROM SAID ENGINE AND AN OUTLET FOR DISCHARGING LUBRICATING OIL TO SAID ENGINE, SAID CHAMBR DEFIING A LUBRICATING OIL SUMP FOR THE ENGINE WHICH SERVES AS A LUBRICATING OIL COOLER FOR THE ENGINE.
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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |