US2641905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closed circuit power plant having bypass means to regulate heat input to each turbine
Assignee: Aktiengesellschaft fuer Technische Studien
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Filing: 1949-06-08
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Granted: 1953-06-16
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Expires: 1969-06-08
Abstract
No abstract record available.
Inventors
- 👤 Keller Curt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:33
CPC Classifications
F; F02; F02C; F02C1/00; F02C1/04; F02C1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1270877A
Cited
GB468287A
Cited
US2174663A
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US2330298A
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US2394253A
Cited
US2392622A
Cited
US2421387A
Cited
US2419463A
Cited
US2478504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |