Patent US5334171A successfully refreshed from Google Patents.
US2652995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying controls for aircraft
Assignee: SAUNDERS ROE Ltd
•
Filing: 1949-05-12
•
Granted: 1953-09-22
•
Expires: 1969-05-12
Abstract
No abstract record available.
Inventors
- 👤 Swain Arthur Edward
- 👤 Robertson Frank Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:20
CPC Classifications
B; B64; B64C; B64C13/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2412027A
Cited
US2360333A
Cited
US2376320A
Cited
US2526252A
Cited
US2450907A
Cited
GB582380A
Cited
GB627858A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |