Patent US2825205A successfully refreshed from Google Patents.
US2825205A
Expired / Lapsed
US
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Combustion devices especially suitable for gas turbine engines and propulsion units for aircraft
Assignee: Safran Aircraft Engines SAS
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Filing: 1954-07-12
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Granted: 1958-03-04
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Expires: 1974-07-12
Abstract
No abstract record available.
Inventors
- 👤 Racine Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:50
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/02; F23R3/16; F23R3/18; F23R3/24; F02; F02K; F02K3/00; F02K3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2374239A
Cited
CH225427A
Cited
GB626174A
Cited
GB619251A
Cited
GB627644A
Cited
US2659201A
Cited
GB645588A
Cited
US2548087A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-03 | 1961-09-02 | 1962-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-03 | 1965-09-02 | 1966-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-03 | 1969-09-02 | 1970-03-04 | $7700.00 | Window Closed / Lapsed |