US2682991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine
Assignee: English Electric Co Ltd
•
Filing: 1950-01-30
•
Granted: 1954-07-06
•
Expires: 1970-01-30
Abstract
No abstract record available.
Inventors
- 👤 Craig Hugh Robert Morton
- 👤 Morris Clifford
- 👤 Frankel Adolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:19
CPC Classifications
F; F01; F01D; F01D25/00; F01D25/18; F01D25/183; F01D25/186
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) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |