US3523662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid control means for an aircraft
Assignee: BAC AND BRITISH AEROSPACE
•
Filing: 1968-06-11
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Granted: 1970-08-11
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Expires: 1988-06-11
Abstract
No abstract record available.
Inventors
- 👤 Antony G Rawcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:20
CPC Classifications
F; F42; F42B; F42B10/00; F42B10/60; F42B10/66; F42B10/663; F42B10/62; F42B10/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3018987A
Cited
US2974904A
Cited
US3239150A
Cited
US3150625A
Cited
US3253808A
Cited
US3229460A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |