Patent US2424416A successfully refreshed from Google Patents.
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
2026-11-06 01:07
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/02; F02F1/04; F02F1/06; F02F1/065
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1123403A
Cited
US1480866A
Cited
US1429130A
Cited
FR591762A
Cited
US1632207A
Cited
US2004040A
Cited
FR799359A
Cited
US2070565A
Cited
US2152043A
Cited
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 |