US2937849A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Structural dampener for turbo-blading
Assignee: General Electric Co
•
Filing: 1955-10-06
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Granted: 1960-05-24
•
Expires: 1975-10-06
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Danforth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:47
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/26; F01D5/22; F16; F16F; F16F15/00; F16F15/10; Y; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1189943A
Cited
US1271362A
Cited
US1940449A
Cited
US2092571A
Cited
FR989556A
Cited
US2669130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-24 | 1963-11-23 | 1964-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-24 | 1967-11-23 | 1968-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-24 | 1971-11-23 | 1972-05-24 | $7700.00 | Window Closed / Lapsed |