US2443518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling system for internal-combustion engines
Assignee: Individual
•
Filing: 1945-10-10
•
Granted: 1948-06-15
•
Expires: 1965-10-10
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Rushmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:00
CPC Classifications
F; F01; F01P; F01P3/00; F01P3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1485390A
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US1658934A
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US1473037A
Cited
US1817187A
Cited
US1835603A
Cited
US2086439A
Cited
US2151082A
Cited
US2176441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-15 | 1951-12-15 | 1952-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-15 | 1955-12-15 | 1956-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-15 | 1959-12-15 | 1960-06-15 | $7700.00 | Window Closed / Lapsed |