US3018854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flutter damper
Assignee: Houdaille Industries Inc
•
Filing: 1959-03-26
•
Granted: 1962-01-30
•
Expires: 1979-03-26
Abstract
No abstract record available.
Inventors
- 👤 Paul E Gies
- 👤 Rumsey Rollin Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:45
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/50; F16F9/52; B; B64; B64D; B64D45/00; B64D2045/0085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2807336A
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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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |