Patent US2701443A successfully refreshed from Google Patents.
US2701443A
Expired / Lapsed
US
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Combined supercharged blast-furnace and gas turbine plant
Assignee: Rateau SA
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Filing: 1948-07-20
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Granted: 1955-02-08
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Expires: 1968-07-20
Abstract
No abstract record available.
Inventors
- 👤 Sedille Marcel Henri Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:14
CPC Classifications
C; C21; C21B; C21B5/00; C21B5/06; C21B2100/00; C21B2100/60; C21B2100/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US991179A
Cited
US1727100A
Cited
US2131031A
Cited
US2163762A
Cited
US2225311A
Cited
US2446388A
Cited
US2496407A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-02-07 | 1958-08-09 | 1959-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-02-07 | 1962-08-09 | 1963-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-02-07 | 1966-08-09 | 1967-02-08 | $7700.00 | Window Closed / Lapsed |