US2809802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damping turbine blades
Assignee: General Electric Co
•
Filing: 1952-09-10
•
Granted: 1957-10-15
•
Expires: 1972-09-10
Abstract
No abstract record available.
Inventors
- 👤 Chauncey G Suits
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:21
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/16; Y; Y10; Y10S; Y10S416/00; Y10S416/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1362853A
Cited
US1833751A
Cited
FR710766A
Cited
US1833754A
Cited
US2462961A
Cited
US2646920A
Cited
US2559131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |