Patent US2492675A successfully refreshed from Google Patents.
US2492675A
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Control for temperature changing mechanisms
Assignee: Missouri Automatic Control Corp
•
Filing: 1943-06-16
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Granted: 1949-12-27
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Expires: 1963-06-16
Abstract
No abstract record available.
Inventors
- 👤 John O Yeida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:46
CPC Classifications
F; F01; F01P; F01P7/00; F01P7/02; F01P7/10; F01P7/12; F01M; F01M5/00; F01M5/005; F01M5/007
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-26 | 1953-06-27 | 1953-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-26 | 1957-06-27 | 1957-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-26 | 1961-06-27 | 1961-12-27 | $7700.00 | Window Closed / Lapsed |