US2833478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic control of water cooling system of motor vehicle
Assignee: Individual
•
Filing: 1955-06-09
•
Granted: 1958-05-06
•
Expires: 1975-06-09
Abstract
No abstract record available.
Inventors
- 👤 George W Middleton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:59
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/13; G05D23/1306; G05D23/132; G05D23/1333; F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; F01P7/167
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1745622A
Cited
US1751688A
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US2155233A
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US2095358A
Cited
US2296641A
Cited
FR903580A
Cited
US2750117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-05 | 1961-11-04 | 1962-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-05 | 1965-11-04 | 1966-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-05 | 1969-11-04 | 1970-05-06 | $7700.00 | Window Closed / Lapsed |