US2607430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fan for aircraft propeller spinners
Assignee: Curtiss Wright Corp
•
Filing: 1946-02-26
•
Granted: 1952-08-19
•
Expires: 1966-02-26
Abstract
No abstract record available.
Inventors
- 👤 George A Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:42
CPC Classifications
B; B64; B64D; B64D33/00; B64D33/08; B64D33/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE235569C
Cited
US1036122A
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US1837568A
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US1611658A
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US1908820A
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US1990979A
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US2173896A
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FR815881A
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US2206417A
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US2274743A
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US2426635A
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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) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |