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US2909896A
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US
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Emergency fuel control
Assignee: RTX Corp
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Filing: 1956-09-21
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Granted: 1959-10-27
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Expires: 1976-09-21
Abstract
No abstract record available.
Inventors
- 👤 Robert D Porter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:35
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/46; F02C7/00; F02C7/22; F02C7/232
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2737015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |