Patent US2616490A successfully refreshed from Google Patents.
US2616490A
Expired / Lapsed
US
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Fuel burner safety control apparatus
Assignee: Honeywell Inc
•
Filing: 1949-02-26
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Granted: 1952-11-04
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Expires: 1969-02-26
Abstract
No abstract record available.
Inventors
- 👤 John M Wilson
- 👤 Richard S Feigal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:35
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/08; F23N5/082; F23N2231/00; F23N2231/04; F23N2231/06
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) | 1955-11-04 | 1956-05-05 | 1956-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-04 | 1960-05-05 | 1960-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-04 | 1964-05-05 | 1964-11-04 | $7700.00 | Window Closed / Lapsed |