Patent US2613909A successfully refreshed from Google Patents.
US2613909A
Expired / Lapsed
US
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Turbine and compressor blading in axial flow internal-combustion turbine power plants
Assignee: Power Jets Research and Development Ltd
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Filing: 1945-01-31
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Granted: 1952-10-14
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Expires: 1965-01-31
Abstract
No abstract record available.
Inventors
- 👤 Hawthorne William Rede
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:19
CPC Classifications
F; F01; F01D; F01D5/00; F01D5/12; F01D5/14; F01D5/18; F01D5/181
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306470A
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FR358570A
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FR380068A
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US1114564A
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US1501862A
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US1708402A
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US1823452A
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US1938686A
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US2089749A
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DE665762C
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US2280758A
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US2371548A
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US2407164A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |