US2826896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manually controlled electro-hydraulic system for aircraft
Assignee: HM Hobson Ltd
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Filing: 1955-12-14
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Granted: 1958-03-18
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Expires: 1975-12-14
Abstract
No abstract record available.
Inventors
- 👤 Glaze Stanley George
- 👤 Smith Charles Philip
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:25
CPC Classifications
F; F15; F15B; F15B21/00; F15B21/08; B; B64; B64C; B64C13/00; B64C13/24; F15B18/00; F15B9/00; F15B9/02; F15B9/08; F15B9/09
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) | 1961-03-17 | 1961-09-16 | 1962-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-17 | 1965-09-16 | 1966-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-17 | 1969-09-16 | 1970-03-18 | $7700.00 | Window Closed / Lapsed |