US2990156A
Expired / Lapsed
US
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Blade damping means
Assignee: General Electric Co
•
Filing: 1956-08-17
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Granted: 1961-06-27
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Expires: 1976-08-17
Abstract
No abstract record available.
Inventors
- 👤 Marshall Daniel Quayle
- 👤 Mason Harvey Waldo
- 👤 Davis David Robert
- 👤 Campbell William Bowles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:56
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/30; F01D5/3007; F01D11/00; F01D11/005; F01D11/006; F01D11/008; F01D5/12; F01D5/14; F01D5/141; F01D5/146; F01D5/22; F01D5/26; F05; F05D; F05D2230/00; F05D2230/50; F05D2230/51; F05D2260/00; F05D2260/96; F05D2260/961; Y; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |