US2417237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling system for internal-combustion engines
Assignee: Individual
•
Filing: 1945-01-31
•
Granted: 1947-03-11
•
Expires: 1965-01-31
Abstract
No abstract record available.
Inventors
- 👤 Edward F Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:07
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/14; F01P7/16; F01P7/165; F01P11/00; F01P11/08; F01P3/00; F01P3/20; F01P3/207; F01P2025/00; F01P2025/08; F01P2025/36; F01P2025/40; F01P2037/00; F01P2037/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1838155A
Cited
US1779078A
Cited
US1979732A
Cited
US2188172A
Cited
US2206418A
Cited
US2274442A
Cited
US2365166A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-10 | 1950-09-09 | 1951-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-10 | 1954-09-09 | 1955-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-10 | 1958-09-09 | 1959-03-11 | $7700.00 | Window Closed / Lapsed |