US2492477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically actuated apparatus
Assignee: Bristol Aeroplane Co Ltd
•
Filing: 1943-12-30
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Granted: 1949-12-27
•
Expires: 1963-12-30
Abstract
No abstract record available.
Inventors
- 👤 Henly Albert George
- 👤 Prince Victor William John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:13
CPC Classifications
F; F16; F16D; F16D25/00; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H2708/00; F16H2708/02; F16H2708/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB408900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |