US2494178A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine
Assignee: Rateau SA
•
Filing: 1945-08-27
•
Granted: 1950-01-10
•
Expires: 1965-08-27
Abstract
No abstract record available.
Inventors
- 👤 Imbert Roger Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:40
CPC Classifications
F; F01; F01D; F01D11/00; F01D11/08; F01D11/14; F01D11/16; F01D11/18; F01D25/00; F01D25/24; F01D25/246; F05; F05B; F05B2230/00; F05B2230/60; F05B2230/604; F05B2230/606; F05D; F05D2230/00; F05D2230/60; F05D2230/64; F05D2230/642
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1692537A
Cited
US1666625A
Cited
US1525804A
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US1823310A
Cited
US2080425A
Cited
US2220616A
Cited
US2304994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |