US2816731A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Turbine speed control
Assignee: General Electric Co
•
Filing: 1955-10-07
•
Granted: 1957-12-17
•
Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
- 👤 Dantowitz Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:05
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/02; F01D17/06; F01D17/10; F01D17/12; F01D17/14; F01D17/146
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR442245A
Cited
US1897834A
Cited
US1907466A
Cited
US1931158A
Cited
US1962382A
Cited
US2219994A
Cited
FR927662A
Cited
GB651471A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |