US2913654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-speed self-balancing servosystem
Assignee: Leeds and Northrup Co
•
Filing: 1953-11-12
•
Granted: 1959-11-17
•
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 06:55
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2455364A
Cited
US2494876A
Cited
US2401421A
Cited
US2522240A
Cited
US2630736A
Cited
US2551833A
Cited
US2584954A
Cited
US2594436A
Cited
US2631489A
Cited
US2766412A
Cited
US2593950A
Cited
US2674708A
Cited
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 |