US2496100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic stabilizer for airplanes
Assignee: Individual
•
Filing: 1945-01-16
•
Granted: 1950-01-31
•
Expires: 1965-01-16
Abstract
No abstract record available.
Inventors
- 👤 Marques Jose
- 👤 Novas Casas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:34
CPC Classifications
B; B64; B64C; B64C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1418335A
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US1491310A
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US1509743A
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US1475869A
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GB287960A
Cited
US1782149A
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US1842952A
Cited
US1832254A
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FR708508A
Cited
US2005530A
Cited
US2066194A
Cited
US2076088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |