Patent US3054254A successfully refreshed from Google Patents.
US3054254A
Expired / Lapsed
US
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Turbofan afterburner fuel control improvement
Assignee: RTX Corp
•
Filing: 1959-01-27
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Granted: 1962-09-18
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Expires: 1979-01-27
Abstract
No abstract record available.
Inventors
- 👤 Philip S Hopper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:06
CPC Classifications
F; F02; F02K; F02K3/00; F02K3/08; F02K3/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2830436A
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US2916876A
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US2879643A
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US2847821A
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US2929203A
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US2887845A
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US2850873A
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US2979900A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |