US2445684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine cooling system temperature control
Assignee: Individual
•
Filing: 1946-01-05
•
Granted: 1948-07-20
•
Expires: 1966-01-05
Abstract
No abstract record available.
Inventors
- 👤 Mallory Marion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:14
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; F01P7/167; F01P2007/146; F01P2025/00; F01P2025/60; F01P2025/62; F01P2070/00; F01P2070/04
Claims Analysis
Total Claims: 0
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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) | 1951-07-20 | 1952-01-19 | 1952-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-07-20 | 1956-01-19 | 1956-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-07-20 | 1960-01-19 | 1960-07-20 | $7700.00 | Window Closed / Lapsed |