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US2913654A
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High-speed self-balancing servosystem
Assignee: Leeds and Northrup Co
•
Filing: 1953-11-12
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Granted: 1959-11-17
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Expires: 1973-11-12
Abstract
No abstract record available.
Inventors
- 👤 Clark William Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:33
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2455364A
Cited
US2494876A
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US2401421A
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US2522240A
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US2630736A
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US2551833A
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US2584954A
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US2594436A
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US2631489A
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US2766412A
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US2593950A
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US2674708A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |