Patent US3060998A successfully refreshed from Google Patents.
US3060998A
Expired / Lapsed
US
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Aircraft fuel supply systems
Assignee: English Electric Co Ltd
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Filing: 1960-03-18
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Granted: 1962-10-30
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Expires: 1980-03-18
Abstract
No abstract record available.
Inventors
- 👤 Bell Robert Henry
- 👤 Campbell Thomas Cochrane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:13
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/02; B64D37/14; B64D37/16; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521; Y10T137/4673; Y10T137/4857
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |