US2665749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Burner and coaxial flame rod assembly
Assignee: Honeywell Inc
•
Filing: 1949-11-10
•
Granted: 1954-01-12
•
Expires: 1969-11-10
Abstract
No abstract record available.
Inventors
- 👤 William H Ebeltoft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:57
CPC Classifications
F; F23; F23N; F23N5/00; F23N5/02; F23N5/12; F23N5/126; F23Q; F23Q9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2173539A
Cited
US2162501A
Cited
US2304200A
Cited
US2285326A
Cited
US2335471A
Cited
US2396146A
Cited
US2496502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-11 | 1957-07-13 | 1958-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-11 | 1961-07-13 | 1962-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-11 | 1965-07-13 | 1966-01-12 | $7700.00 | Window Closed / Lapsed |