US2658701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flying control for aircraft
Assignee: SAUNDERS ROE Ltd
•
Filing: 1949-10-12
•
Granted: 1953-11-10
•
Expires: 1969-10-12
Abstract
No abstract record available.
Inventors
- 👤 Robertson Frank Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:25
CPC Classifications
B; B64; B64C; B64C13/00; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1827304A
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US2340524A
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US2057877A
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US2325548A
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US2371388A
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GB572494A
Cited
US2470968A
Cited
US2601962A
Cited
GB627858A
Cited
US2517680A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |