Patent US2874543A successfully refreshed from Google Patents.
US2874543A
Expired / Lapsed
US
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Steam power plant including reheat boiler cycle
Assignee: Foster Wheeler Inc
•
Filing: 1954-08-17
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Granted: 1959-02-24
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Expires: 1974-08-17
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Culver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:25
CPC Classifications
F; F22; F22G; F22G5/00; F22G5/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1635410A
Cited
US1745816A
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US1751238A
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US1732009A
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US1931948A
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US2287961A
Cited
US2346179A
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US2685866A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |