US2559513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Servo system with saturable core component
Assignee: General Precision Laboratory Inc
•
Filing: 1948-12-28
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Granted: 1951-07-03
•
Expires: 1968-12-28
Abstract
No abstract record available.
Inventors
- 👤 James P Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:22
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1418
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2338423A
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US2208623A
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US2333393A
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US2355567A
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US2450084A
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US2449859A
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US2414936A
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US2435926A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |