US2758679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flutter damper with air bleed
Assignee: Houdaille Industries Inc
•
Filing: 1951-02-05
•
Granted: 1956-08-14
•
Expires: 1971-02-05
Abstract
No abstract record available.
Inventors
- 👤 Bernard E O'connor
- 👤 Fuente Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:14
CPC Classifications
B; B64; B64C; B64C13/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR510204A
Cited
US1827487A
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US2021428A
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US2228984A
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US2270668A
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US2385635A
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US2419651A
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US2421585A
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US2516781A
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US2469488A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |