Patent US2692086A successfully refreshed from Google Patents.
US2692086A
Expired / Lapsed
US
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Thermostatic valve for engine coolants
Assignee: Individual
•
Filing: 1950-07-19
•
Granted: 1954-10-19
•
Expires: 1970-07-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Smedley D Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:20
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; G; G05; G05D; G05D23/00; G05D23/01; G05D23/12; G05D23/123; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86928
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-18 | 1958-04-19 | 1958-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-18 | 1962-04-19 | 1962-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-18 | 1966-04-19 | 1966-10-19 | $7700.00 | Window Closed / Lapsed |