US2830440A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of power generation with divided gas flow over a superheater and a reheater and apparatus therefor
Assignee: Babcock and Wilcox Co
•
Filing: 1951-11-29
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Granted: 1958-04-15
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Expires: 1971-11-29
Abstract
No abstract record available.
Inventors
- 👤 Durham Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:54
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1751004A
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GB481398A
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US2229643A
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GB504114A
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US2357300A
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US2416674A
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US2550683A
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US2590712A
Cited
US2628598A
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US2649079A
Cited
US2579027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |