US2826249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple nozzle gas burner
Assignee: Babcock and Wilcox Co
•
Filing: 1952-09-12
•
Granted: 1958-03-11
•
Expires: 1972-09-12
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Poole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:35
CPC Classifications
F; F23; F23C; F23C99/00; F23C2700/00; F23C2700/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1496790A
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DE484365C
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US1911760A
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US981011A
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US1383741A
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US1991894A
Cited
US2222822A
Cited
US2274818A
Cited
FR878243A
Cited
US2462704A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-10 | 1961-09-09 | 1962-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-10 | 1965-09-09 | 1966-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-10 | 1969-09-09 | 1970-03-11 | $7700.00 | Window Closed / Lapsed |