US2705940A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Controllable power actuator for aircraft control surface
Assignee: McDonnell Aircraft Corp
•
Filing: 1950-11-06
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Granted: 1955-04-12
•
Expires: 1970-11-06
Abstract
No abstract record available.
Inventors
- 👤 Lawrence K Edwards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:05
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/02; F15B9/08; F15B9/10; B; B64; B64C; B64C13/00; B64C13/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US738793A
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US813209A
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US1199036A
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US1628603A
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US1851816A
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US1972853A
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US2225952A
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GB464891A
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US2227375A
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US2432502A
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US2445343A
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US2393585A
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US2472236A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |