US2872133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic fuel controls for regulating aircraft mach no. in accordance with change of altitude
Assignee: Boeing Co
•
Filing: 1953-10-02
•
Granted: 1959-02-03
•
Expires: 1973-10-02
Abstract
No abstract record available.
Inventors
- 👤 Bernard I Seeger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:03
CPC Classifications
B; B64; B64D; B64D31/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2278
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2330650A
Cited
US2512790A
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US2445099A
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US2642237A
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US2593536A
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US2540594A
Cited
US2564127A
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US2638739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |