US2723675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for controlling the fuel flow from the fuel tanks of an aircraft
Assignee: Gloster Aircraft Co Ltd
•
Filing: 1951-11-20
•
Granted: 1955-11-15
•
Expires: 1971-11-20
Abstract
No abstract record available.
Inventors
- 👤 Longford Charles Geoffrey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:28
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0126; B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/20; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1558529A
Cited
US1870264A
Cited
US1961350A
Cited
US2145114A
Cited
GB490607A
Cited
US2509629A
Cited
US2538824A
Cited
US2624360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |