US2424416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine cooling system
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1944-01-06
•
Granted: 1947-07-22
•
Expires: 1964-01-06
Abstract
No abstract record available.
Inventors
- 👤 Piry Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:25
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/04; F02F1/06; F02F1/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1123403A
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US1480866A
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US1429130A
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FR591762A
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US1632207A
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US2004040A
Cited
FR799359A
Cited
US2070565A
Cited
US2152043A
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US2184345A
Cited
US2302298A
Cited
US2330065A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-21 | 1951-01-20 | 1951-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-21 | 1955-01-20 | 1955-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-21 | 1959-01-20 | 1959-07-22 | $7700.00 | Window Closed / Lapsed |