US2634579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel control device for gas turbines and jet propulsion units
Assignee: Rolls Royce PLC
•
Filing: 1947-02-24
•
Granted: 1953-04-14
•
Expires: 1967-02-24
Abstract
No abstract record available.
Inventors
- 👤 Reynolds Douglas
- 👤 Greenhough Vernon Wallace
- 👤 Jamison Robin Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:33
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/16; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1956-04-13 | 1956-10-13 | 1957-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-13 | 1960-10-13 | 1961-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-13 | 1964-10-13 | 1965-04-14 | $7700.00 | Window Closed / Lapsed |