US2533042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-driven aligning mechanism control system dependent upon a time derivative of the displacement
Assignee: Metropolitan Vickers Electrical Co Ltd
•
Filing: 1945-08-11
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Granted: 1950-12-05
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Expires: 1965-08-11
Abstract
No abstract record available.
Inventors
- 👤 Polson Reginald Aiexander
- 👤 Dannatt Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:47
CPC Classifications
F; F15; F15B; F15B9/00; F15B9/16; F15B9/17
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1612118A
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US2020847A
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US2414690A
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US2409190A
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US2376359A
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US2408069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |