US2567807A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner safety control system and apparatus
Assignee: Honeywell Inc
•
Filing: 1947-10-02
•
Granted: 1951-09-11
•
Expires: 1967-10-02
Abstract
No abstract record available.
Inventors
- 👤 Walter E Edelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:19
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/025; F23N2227/00; F23N2227/04; F23N2239/00; F23N2239/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2286156A
Cited
US1597403A
Cited
US1687366A
Cited
US1825611A
Cited
US2135829A
Cited
US2297821A
Cited
US2371020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-10 | 1955-03-12 | 1955-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-10 | 1959-03-12 | 1959-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-10 | 1963-03-12 | 1963-09-11 | $7700.00 | Window Closed / Lapsed |