US2663518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft control
Assignee: Individual
•
Filing: 1948-12-24
•
Granted: 1953-12-22
•
Expires: 1968-12-24
Abstract
No abstract record available.
Inventors
- 👤 Muffly Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
G; G05; G05D; G05D1/00; G05D1/02; G05D1/0202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1121563A
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US2066156A
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US1958258A
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US2060200A
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US2158584A
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US2133241A
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US2382058A
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US2388748A
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US2423336A
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US2457393A
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US2423337A
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US2412003A
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US2499349A
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US2450991A
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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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |