Patent US3022046A successfully refreshed from Google Patents.
US3022046A
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Apparatus for cooling gaseous solid suspensions
Assignee: Fabriques de Produits Chimiques de Thann et de Mulhouse
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Filing: 1952-11-04
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Granted: 1962-02-20
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Expires: 1972-11-04
Abstract
No abstract record available.
Inventors
- 👤 Breig Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:06
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26; Y; Y10; Y10S; Y10S165/00; Y10S165/135; Y10S165/139; Y10S165/156
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1717237A
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US2021117A
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US1990541A
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US1980791A
Cited
US2007838A
Cited
US2056023A
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US2311984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |