US2611812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical control system
Assignee: Elsag Bailey Inc
•
Filing: 1945-12-01
•
Granted: 1952-09-23
•
Expires: 1965-12-01
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Hornfeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:39
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/36; G01F1/37; G01F1/372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1626560A
Cited
US1986986A
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US2050629A
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US2336492A
Cited
US2285540A
Cited
US2330427A
Cited
US2363690A
Cited
US2406221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-23 | 1956-03-24 | 1956-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-23 | 1960-03-24 | 1960-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-23 | 1964-03-24 | 1964-09-23 | $7700.00 | Window Closed / Lapsed |