Patent US2576359A successfully refreshed from Google Patents.
Patent US2484739A successfully refreshed from Google Patents.
US2484739A
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US
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Variable pitch propeller mechanism
Assignee: Individual
•
Filing: 1944-05-11
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Granted: 1949-10-11
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Expires: 1964-05-11
Abstract
No abstract record available.
Inventors
- 👤 Remmen Jorgen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:10
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1789240A
Cited
GB274973A
Cited
US2017105A
Cited
US1995460A
Cited
US1986709A
Cited
US2074342A
Cited
GB462037A
Cited
US2271473A
Cited
US2338420A
Cited
US2256918A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-10 | 1953-04-11 | 1953-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-10 | 1957-04-11 | 1957-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-10 | 1961-04-11 | 1961-10-11 | $7700.00 | Window Closed / Lapsed |