US2565178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine
Assignee: Rateau SA
•
Filing: 1945-06-11
•
Granted: 1951-08-21
•
Expires: 1965-06-11
Abstract
No abstract record available.
Inventors
- 👤 Imbert Roger Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:34
CPC Classifications
F; F01; F01D; F01D17/00; F01D17/10; F01D17/12; F01D17/14; F01D17/141
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1304412A
Cited
US811983A
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US837934A
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GB190617783A
Cited
GB277090A
Cited
DE550574C
Cited
US2129691A
Cited
US2072656A
Cited
US2280765A
Cited
US2389040A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |