US2918024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel burning method
Assignee: Babcock and Wilcox Co
•
Filing: 1952-02-26
•
Granted: 1959-12-22
•
Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Seidl Hubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:12
CPC Classifications
F; F23; F23C; F23C3/00; F23C3/006; F23C3/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US867177A
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US1617694A
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GB270295A
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US1910735A
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GB302255A
Cited
US1943286A
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US1982803A
Cited
US2029725A
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DE675113C
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US2357301A
Cited
US2368827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |