Patent US3144858A successfully refreshed from Google Patents.
US3144858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air-cooled inboard engine
Assignee: Inboard Marine Inc
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Filing: 1962-10-15
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Granted: 1964-08-18
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Expires: 1982-10-15
Abstract
No abstract record available.
Inventors
- 👤 Wayne F Horning
- 👤 Robert W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:38
CPC Classifications
F; F01; F01P; F01P5/00; F01P5/02; F01P5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
AN AIR-COOLED ENGINE INSTALLATION IN A BOAT, COMPRISING: AN ENGINE OF THE AIR-COOLED TYPE HAVING AT LEAST ONE ROW OF FINNED CYLINDERS WITH AN EXHAUST PIPE EXTENDING ADJACENT TO THE ROW; A CLOSED COMPARTMENT IN THE BOAT ENCLOSING THE ENGINE, SAID COMPARTMENT HAVING AIR-INTAKE PORT MEANS AND AIR-DISCHARGE PORT MEANS; MEANS POWERED BY THE MOTOR TO INDUCE AIR INTO THE COMPARTMENT THROUGH THE INTAKE PORT MEANS TO MAINTAIN THE INTERIOR OF THE COMPARTMENT ABOVE THE PRESSURE OF THE AMBIENT ATMOSPHERE; AND A DISCHARGE DUCT STRUCTURE INSIDE THE COMPARTMENT CONNECTED TO SAID DISCHARGE PORT MEANS TO DISCHARGE THE INDUCTED AIR FROM THE COMPARTMENT, SAID DISCHARGE DUCT STRUCTURE ENCLOSING SAID EXHAUST PIPE ON THREE SIDES AND BEING OPEN ON THE FOURTH SIDE TO RECEIVE AIR FROM THE INTERIOR OF THE COMPARTMENT, SAID FOURTH OPEN SIDE BEING ADJACENT SAID ROW OF FINNED CYLINDERS TO DRAW THE DISCHARGING AIR OVER THE FINNED CYLINDERS.
Claim 2
Dependent Claim
149 words
AN AIR-COOLED ENGINE INSTALLATION IN A BOAT, COMPRISING: AN ENGINE OF THE AIR-COOLED TYPE HAVING AT LEAST ONE ROW OF FINNED CYLINDERS WITH AN EXHAUST PIPE EXTENDING ADJACENT TO THE ROW; A CLOSED COMPARTMENT IN THE BOAT ENCLOSING THE ENGINE, SAID COMPARTMENT HAVING AIR-INTAKE PORT MEANS AND AIR-DISCHARGE PORT MEANS; MEANS POWERED BY THE MOTOR TO INDUCE AIR INTO THE COMPARTMENT THROUGH THE INTAKE PORT MEANS TO MAINTAIN THE INTERIOR OF THE COMPARTMENT ABOVE THE PRESSURE OF THE AMBIENT ATMOSPHERE; AND A DISCHARGE DUCT STRUCTURE INSIDE THE COMPARTMENT CONNECTED TO SAID DISCHARGE PORT MEANS TO DISCHARGE THE INDUCTED AIR FROM THE COMPARTMENT, SAID DISCHARGE DUCT STRUCTURE ENCLOSING SAID EXHAUST PIPE ON THREE SIDES AND BEING OPEN ON THE FOURTH SIDE TO RECEIVE AIR FROM THE INTERIOR OF THE COMPARTMENT, SAID FOURTH OPEN SIDE BEING ADJACENT SAID ROW OF FINNED CYLINDERS TO DRAW THE DISCHARGING AIR OVER THE FINNED CYLINDERS.
References Cited (Backward Citations)
US2827026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |