US2504128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft landing gear
Assignee: Fairchild Engine and Airplane Corp
•
Filing: 1948-07-08
•
Granted: 1950-04-18
•
Expires: 1968-07-08
Abstract
No abstract record available.
Inventors
- 👤 Joel M Jacobson
- 👤 Stanley F Brader
- 👤 Hayden A Fleck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:11
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/32; B64C25/38; B62; B62D; B62D55/00; B62D55/08; B62D55/104; B62D55/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1836446A
Cited
US2281351A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-17 | 1953-10-17 | 1954-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-17 | 1957-10-17 | 1958-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-17 | 1961-10-17 | 1962-04-18 | $7700.00 | Window Closed / Lapsed |