US3283498A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exhaust elbow
Assignee: Thermo Fisher Scientific Inc
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Filing: 1965-01-14
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Granted: 1966-11-08
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Expires: 1985-01-14
Abstract
No abstract record available.
Inventors
- 👤 Calvin C Connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:39
CPC Classifications
B; B63; B63G; B63G13/00; B63G13/02; F; F01; F01N; F01N3/00; F01N3/02; F01N3/04; F01N3/043; F01P; F01P11/00; F01P11/04; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A COOLING SYSTEM FOR A MARINE ENGINE HAVING COOLANT CONDUCTING PASSAGES THEREIN AND AN EXHAUST PIPE FOR SAID ENGINE FOR CONDUCTING EXHAUST GASES AWAY FROM SAID ENGINE AND FOR DISCHARGING COOLANT WATER FROM SAID COOLANT SYSTEM, SAID COOLANT SYSTEM INCLUDING IN COMBINATION A RECIRCULATORY LIQUID FLOW CIRCUIT INCLUDING THE COOLANT CONDUCTING PASSAGES, A RAW WATER LIQUID FLOW PASSAGE CONNECTED TO SAID RECIRCULATORY CIRCUIT FOR SUPPLYING MAKEUP WATER THERETO AND CONNECTED TO SAID EXHAUST PIPE FOR DISCHARGING COOLANT WATER, A FITTING COUPLING SAID EXHAUST PIPE TO SAID ENGINE COMPRISING A HOUSING HAVING FIRST AND SECOND CHAMBERS THEREIN, MEANS DEFINING AN INTERNAL PASSAGE EXTENDING THROUGH SAID CHAMBERS FROM ONE END OF SAID HOUSING TO THE OTHER FOR CONNECTION AT ONE END TO SAID ENGINE AND AT THE OTHER END TO SAID EXHAUST PIPE, SAID FIRST CHAMBER SURROUNDING A PORTION OF SAID INTERNAL PASSAGE
Claim 2
Dependent Claim
141 words
A COOLING SYSTEM FOR A MARINE ENGINE HAVING COOLANT CONDUCTING PASSAGES THEREIN AND AN EXHAUST PIPE FOR SAID ENGINE FOR CONDUCTING EXHAUST GASES AWAY FROM SAID ENGINE AND FOR DISCHARGING COOLANT WATER FROM SAID COOLANT SYSTEM, SAID COOLANT SYSTEM INCLUDING IN COMBINATION A RECIRCULATORY LIQUID FLOW CIRCUIT INCLUDING THE COOLANT CONDUCTING PASSAGES, A RAW WATER LIQUID FLOW PASSAGE CONNECTED TO SAID RECIRCULATORY CIRCUIT FOR SUPPLYING MAKEUP WATER THERETO AND CONNECTED TO SAID EXHAUST PIPE FOR DISCHARGING COOLANT WATER, A FITTING COUPLING SAID EXHAUST PIPE TO SAID ENGINE COMPRISING A HOUSING HAVING FIRST AND SECOND CHAMBERS THEREIN, MEANS DEFINING AN INTERNAL PASSAGE EXTENDING THROUGH SAID CHAMBERS FROM ONE END OF SAID HOUSING TO THE OTHER FOR CONNECTION AT ONE END TO SAID ENGINE AND AT THE OTHER END TO SAID EXHAUST PIPE, SAID FIRST CHAMBER SURROUNDING A PORTION OF SAID INTERNAL PASSAGE
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |