US2838950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical and hydraulic remote control systems
Assignee: Bristol Aircraft Ltd
•
Filing: 1953-04-06
•
Granted: 1958-06-17
•
Expires: 1973-04-06
Abstract
No abstract record available.
Inventors
- 👤 Symon Alexander
- 👤 Harpur Norman Frederick
- 👤 Carter Charles John Edwin
- 👤 Williams John Malcolm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:53
CPC Classifications
B; B64; B64C; B64C13/00; Y; Y10; Y10T; Y10T74/00; Y10T74/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR650912A
Cited
US2026459A
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US2113000A
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US2036619A
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US2205610A
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US2276702A
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FR846049A
Cited
US2267171A
Cited
FR1003822A
Cited
US2612058A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |