US2647708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control for the landing gear of aircraft
Assignee: HAVERLIN AVIAT PRODUCTS Inc
•
Filing: 1950-09-14
•
Granted: 1953-08-04
•
Expires: 1970-09-14
Abstract
No abstract record available.
Inventors
- 👤 Jack F Haverlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:14
CPC Classifications
B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US738333A
Cited
US775665A
Cited
US1401887A
Cited
US1633521A
Cited
US1829837A
Cited
US1897285A
Cited
US2058553A
Cited
US2112253A
Cited
US2315185A
Cited
US2401097A
Cited
US2418508A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-08-03 | 1957-02-02 | 1957-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-08-03 | 1961-02-02 | 1961-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-08-03 | 1965-02-02 | 1965-08-04 | $7700.00 | Window Closed / Lapsed |