US2621476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas turbine installation operating on gaseous fuels
Assignee: RATEAU LA COURNEUVE SOC
•
Filing: 1945-02-28
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Granted: 1952-12-16
•
Expires: 1965-02-28
Abstract
No abstract record available.
Inventors
- 👤 Sedille Marcel Henri Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:20
CPC Classifications
F; F02; F02C; F02C9/00; F02C9/26; F02C9/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE351417C
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US864183A
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GB279770A
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US1988456A
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US2078956A
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US1854615A
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US2282740A
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US2371889A
Cited
US2303381A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |