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US2873701A
Expired / Lapsed
US
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Fluid fuel burner
Assignee: Babcock and Wilcox Co
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Filing: 1955-08-04
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Granted: 1959-02-17
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Expires: 1975-08-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Hohman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:30
CPC Classifications
F; F23; F23C; F23C3/00; F23C3/006; F23C3/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1142928A
Cited
US1068872A
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US1129713A
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US1183478A
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US1936499A
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US2103605A
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US2464791A
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FR1025395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |