US2495844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Elsag Bailey Inc
•
Filing: 1946-06-06
•
Granted: 1950-01-31
•
Expires: 1966-06-06
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Hornfeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:02
CPC Classifications
G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1795753A
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US2246186A
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US2275928A
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US2220028A
Cited
US2344991A
Cited
US2300537A
Cited
US2409136A
Cited
US2333393A
Cited
US2359651A
Cited
US2418052A
Cited
US2395515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-30 | 1953-08-01 | 1954-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-30 | 1957-08-01 | 1958-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-30 | 1961-08-01 | 1962-01-31 | $7700.00 | Window Closed / Lapsed |