US3105472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling system for marine engines
Assignee: Chris Craft Corp
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Filing: 1962-05-28
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Granted: 1963-10-01
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Expires: 1982-05-28
Abstract
No abstract record available.
Inventors
- 👤 Elmer P Jasper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:22
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/7722; Y10T137/7737; Y10T137/8593; Y10T137/85978; Y10T137/86131
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
IN A MARINE ENGINE HAVING COOLING PASSAGES SURROUNDING THE HIGHLY HEATED PORTIONS AND HAVING AN OIL COOLER, A SEA WATER SUPPLY PUMP, A SUPPLY LINE FROM SAID PUMP CONNECTED TO SAID OIL COOLER, AN ADAPTER ON THE OUTLET SIDE OF SAID COOLER HAVING AN OVERBOARD DISCHARGE AND AN ENGINE SUPPLY LINE, A RECIRCULATING PUMP CONNECTED TO RECEIVE SEA WATER FROM SAID SUPPLY LINE AND PROPEL THE SAME THROUGH SAID ENGINE COOLING PASSAGES, A SECOND ADAPTER ON THE OUTLET SIDE OF SAID PASSAGES HAVING AN OVERBOARD DISCHARGE LINE, A RECIRCULATING CONDUIT BETWEEN SAID SECOND ADAPTER AND THE INLET OF SAID RECIRCULATING PUMP, A THERMOSTATIC VALVE IN THE SECOND ADAPTER COMPELLING THE RECIRCULATION OF SEA WATER WHEN AT A TEMPERATURE BELOW A PREDETERMINED SETTING AND ALSO PERMITTING OVERBOARD DISCHARGE WHEN ABOVE SAID TEMPERATURE SETTING, AND A PRESSURE RELIEF VALVE IN SAID FIRST ADAPTER FOR REGULATING THE INLET
Claim 2
Dependent Claim
145 words
IN A MARINE ENGINE HAVING COOLING PASSAGES SURROUNDING THE HIGHLY HEATED PORTIONS AND HAVING AN OIL COOLER, A SEA WATER SUPPLY PUMP, A SUPPLY LINE FROM SAID PUMP CONNECTED TO SAID OIL COOLER, AN ADAPTER ON THE OUTLET SIDE OF SAID COOLER HAVING AN OVERBOARD DISCHARGE AND AN ENGINE SUPPLY LINE, A RECIRCULATING PUMP CONNECTED TO RECEIVE SEA WATER FROM SAID SUPPLY LINE AND PROPEL THE SAME THROUGH SAID ENGINE COOLING PASSAGES, A SECOND ADAPTER ON THE OUTLET SIDE OF SAID PASSAGES HAVING AN OVERBOARD DISCHARGE LINE, A RECIRCULATING CONDUIT BETWEEN SAID SECOND ADAPTER AND THE INLET OF SAID RECIRCULATING PUMP, A THERMOSTATIC VALVE IN THE SECOND ADAPTER COMPELLING THE RECIRCULATION OF SEA WATER WHEN AT A TEMPERATURE BELOW A PREDETERMINED SETTING AND ALSO PERMITTING OVERBOARD DISCHARGE WHEN ABOVE SAID TEMPERATURE SETTING, AND A PRESSURE RELIEF VALVE IN SAID FIRST ADAPTER FOR REGULATING THE INLET
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |