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US2497514A
Expired / Lapsed
US
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Relay servo
Assignee: General Precision Laboratory Inc
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Filing: 1946-11-13
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Granted: 1950-02-14
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Expires: 1966-11-13
Abstract
No abstract record available.
Inventors
- 👤 James P Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:21
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2002353A
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US1955322A
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US2105598A
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US2331934A
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US2376513A
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US2423228A
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US2388769A
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US2449476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |