US2754657A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speed limiting control for gas turbines
Assignee: General Electric Co
•
Filing: 1951-05-17
•
Granted: 1956-07-17
•
Expires: 1971-05-17
Abstract
No abstract record available.
Inventors
- 👤 William F Ehorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:14
CPC Classifications
F; F01; F01D; F01D21/00; F01D21/02; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US641117A
Cited
US2227666A
Cited
US2540991A
Cited
US2411552A
Cited
GB616695A
Cited
US2443648A
Cited
US2559006A
Cited
US2547660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |