US3060680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
By-pass gas-turbine engine and control therefor
Assignee: Rolls Royce PLC
•
Filing: 1958-12-29
•
Granted: 1962-10-30
•
Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Wilde Geoffrey Light
- 👤 Newton Alan George
- 👤 Fitzgerald Roland Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:31
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/02; F02K3/04; F02K3/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2588532A
Cited
GB595357A
Cited
CH243957A
Cited
US2886968A
Cited
GB704669A
Cited
US2718349A
Cited
US2741423A
Cited
US2873576A
Cited
GB750408A
Cited
US2785848A
Cited
US2844936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |