US3136337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatically operated diversion valve for engine cooling system
Assignee: Individual
•
Filing: 1961-04-17
•
Granted: 1964-06-09
•
Expires: 1981-04-17
Abstract
No abstract record available.
Inventors
- 👤 Elton B Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:32
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/021; G05D23/022; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86879
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1311809A
Cited
US2647810A
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US2738803A
Cited
FR1092424A
Cited
US2829835A
Cited
US2847165A
Cited
US2919860A
Cited
US2893795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |