US2417448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling an internal-combustion engine
Assignee: Individual
•
Filing: 1944-11-25
•
Granted: 1947-03-18
•
Expires: 1964-11-25
Abstract
No abstract record available.
Inventors
- 👤 Rouy Auguste Louis Mar Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:43
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/10; F02F1/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US730345A
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US772178A
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US843068A
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US1279008A
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US1437904A
Cited
GB191774A
Cited
GB195042A
Cited
US1634768A
Cited
US2146368A
Cited
US2231295A
Cited
US2332618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-17 | 1950-09-16 | 1951-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-17 | 1954-09-16 | 1955-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-17 | 1958-09-16 | 1959-03-18 | $7700.00 | Window Closed / Lapsed |