Patent US2947154A successfully refreshed from Google Patents.
US2947154A
Expired / Lapsed
US
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Method and apparatus for cooling various fluids and more particularly the air in aircraft flying at high speed
Assignee: Chausson Usines SA
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Filing: 1956-07-19
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Granted: 1960-08-02
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Expires: 1976-07-19
Abstract
No abstract record available.
Inventors
- 👤 Chausson Andre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:50
CPC Classifications
B; B64; B64D; B64D13/00; B64D13/06; B64D13/08; Y; Y02; Y02T; Y02T50/00; Y02T50/50; Y10; Y10S; Y10S62/00; Y10S62/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1820512A
Cited
US2009550A
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US2127581A
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US2221530A
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US2238808A
Cited
US2479936A
Cited
US2691274A
Cited
US2759882A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |