US2852212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic and manual control apparatus for aircraft
Assignee: General Electric Co
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Filing: 1955-04-11
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Granted: 1958-09-16
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Expires: 1975-04-11
Abstract
No abstract record available.
Inventors
- 👤 Charles G Mallery
- 👤 Frederick R Radcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:04
CPC Classifications
B; B64; B64C; B64C17/00; B64C17/02; B64C17/06; G; G05; G05D; G05D1/00; G05D1/0055; G05D1/0061
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |