US2810874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servomotor control system
Assignee: TDK Micronas GmbH
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Filing: 1955-09-07
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Granted: 1957-10-22
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Expires: 1975-09-07
Abstract
No abstract record available.
Inventors
- 👤 Etienne De Faymoreau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:57
CPC Classifications
H; H04; H04B; H04B1/00; H04B1/38; H04B1/40; H04B1/50; G; G01; G01S; G01S1/00; G01S1/02; G01S13/00; G01S13/74; G01S13/76; G01S13/82; G01S13/84; G01S3/00; G01S3/02; G01S3/14; G01S3/38; G01S3/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-21 | 1961-04-22 | 1961-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-21 | 1965-04-22 | 1965-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-21 | 1969-04-22 | 1969-10-22 | $7700.00 | Window Closed / Lapsed |