US2990937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo control systems
Assignee: STREETER AMET CO
•
Filing: 1959-01-12
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Granted: 1961-07-04
•
Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Goslin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:46
CPC Classifications
G; G01; G01G; G01G11/00; G01G11/04; G01G11/043; G01G11/08; G01G11/12; G05; G05D; G05D7/00; G05D7/06; G05D7/0605; G05D7/0611
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) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |