US3511047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel control systems for gas turbine engines
Assignee: ZF International UK Ltd
•
Filing: 1968-06-06
•
Granted: 1970-05-12
•
Expires: 1988-06-06
Abstract
No abstract record available.
Inventors
- 👤 Thomas Charles Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:55
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2846846A
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US2943447A
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US3085397A
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US3000436A
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US3046739A
Cited
US3146591A
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US3164161A
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US3310939A
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US3371481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |