US2582893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet-driven variable pitch propeller
Assignee: Individual
•
Filing: 1947-02-10
•
Granted: 1952-01-15
•
Expires: 1967-02-10
Abstract
No abstract record available.
Inventors
- 👤 Jasper U Teague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:52
CPC Classifications
B; B64; B64C; B64C11/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR423590A
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GB227151A
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US1844786A
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US1888749A
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US2001529A
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US2142601A
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US2054610A
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FR865452A
Cited
US2377247A
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US2397357A
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US2433107A
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US2438151A
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US2474685A
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US2446266A
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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) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |