US3326192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling system for internal combustion engines
Assignee: Individual
•
Filing: 1965-05-18
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Granted: 1967-06-20
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Expires: 1985-05-18
Abstract
No abstract record available.
Inventors
- 👤 John E Gerli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:19
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86815
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
114 words
A COOLING SYSTEM FOR WATER JACKETED INTERNAL COMBUSTION ENGINES CHARACTERIZED BY HAVING TWO CIRCULATING SYSTEMS INTERCONNECTED BY A MIXING CHAMBER HAVING THREE SECTIONS, ONE OF SAID CIRCULATION SYSTEMS COMPRISING MEANS TO CIRCULATE WATER CONTINUOUSLY FROM THE SECOND SECTION OF SAID MIXING CHAMBER THROUGH THE WATER JACKET OF THE ENGINE TO AN OVERFLOW CHAMBER AND THENCE INTO THE FIRST SECTION OF SAID MIXING CHAMBER, A THERMOSTATICALLY CONTROLLED MIXING VALVE BETWEEN THE FIRST AND SECOND SECTIONS OF SAID MIXING CHAMBER, THE SECOND CIRCULATION SYSTEM COMPRISING MEANS TO CONTINUOUSLY CIRCULATE COOLING WATER THROUGH THE THIRD SECTION OF SAID MIXING CHAMBER BETWEEN THE FIRST AND SECOND SECTIONS THEREOF AND AROUND SAID THERMOSTATICALLY CONTROLLED MIXING VALVE AND THENCE INTO
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) | 1970-06-19 | 1970-12-19 | 1971-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-19 | 1974-12-19 | 1975-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-19 | 1978-12-19 | 1979-06-20 | $7700.00 | Window Closed / Lapsed |