US2774019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric servo system for measuring and control
Assignee: Elsag Bailey Inc
•
Filing: 1953-01-26
•
Granted: 1956-12-11
•
Expires: 1973-01-26
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Hornfeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:34
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/1418; G05D27/00; G05D27/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2420539A
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US2363690A
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US2519562A
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US2611812A
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US2594604A
Cited
US2615936A
Cited
US2692969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |