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US2542787A
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Stabilized servomotor control system
Assignee: Askania Regulator Co
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Filing: 1946-05-22
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Granted: 1951-02-20
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Expires: 1966-05-22
Abstract
No abstract record available.
Inventors
- 👤 Ziebolz Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:33
CPC Classifications
G; G05; G05D; G05D16/00; G05D16/20; G05D16/2006; G05D16/2013; G05D16/202
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2228336A
Cited
GB444673A
Cited
US2208559A
Cited
US2325103A
Cited
US2317807A
Cited
US2335943A
Cited
US2403917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-19 | 1954-08-21 | 1955-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-19 | 1958-08-21 | 1959-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-19 | 1962-08-21 | 1963-02-20 | $7700.00 | Window Closed / Lapsed |