US2471343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control system
Assignee: Missouri Automatic Control Corp
•
Filing: 1945-01-06
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Granted: 1949-05-24
•
Expires: 1965-01-06
Abstract
No abstract record available.
Inventors
- 👤 Eric P Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:12
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/04; F23Q; F23Q9/00; F23Q9/08; F23Q9/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2077297A
Cited
US2085195A
Cited
US2119503A
Cited
US2261092A
Cited
US2291805A
Cited
US2200908A
Cited
US2269157A
Cited
US2371020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-23 | 1952-11-22 | 1953-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-23 | 1956-11-22 | 1957-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-23 | 1960-11-22 | 1961-05-24 | $7700.00 | Window Closed / Lapsed |