US3211374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rapid heating engine cooling system
Assignee: Individual
•
Filing: 1963-07-09
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Granted: 1965-10-12
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Victor E Matulaitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:55
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; F01P7/165; F01P3/00; F01P3/02; F01P2003/021; F01P2003/024; F01P2003/028; F01P2025/00; F01P2025/08; F01P2025/50; F01P2037/00; F01P2037/02; F01P2060/00; F01P2060/08
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
138 words
IN A VEHICULAR HEATING SYSTEM HAVING HEATER MEANS ASSOCIATED WITH A COOLING SYSTEM OF AN INTERNAL COMBUSTION ENGINE HAVING A HEAD PORTION AND A BLOCK PORTION AND A RADIATOR, SAID COOLING SYSTEM HAVING A PUMP FOR CIRCULATING A COOLANT THROUGH THE ENGINE, FIRST COOLANT PASSAGE MEANS CONNECTING SAID HEATER MEANS AND SAID PUMP THROUGH ONLY SAID HEAD PORTION SECOND COOLANT PASSAGE MEANS CONNECTING SAID HEATER MEANS AND SAID PUMP THROUGH SAID HEAD PORTION AND SAID BLOCK PORTION, AND THERMOSTATIC VALVE MEANS OPERABLE TO CONFINE FLOW OF COOLANT TO SAID HEATER MEANS THROUGH SAID FIRST COOLANT PASSAGE MEANS AT THE START OF ENGINE OPERATION AND DURING ENGINE WARM-UP UNTIL THE COOLANT REACHES A PREDETERMINED HIGH TEMPERATURE AT WHICH TIME SAID VALVE MEANS BEING EFFECTIVE TO THEREAFTER PERMIT FLOW OF COOLANT TO SAID HEATER MEANS THROUGH SAID SECOND PASSAGE MEANS.
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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |