Patent DE730712C successfully refreshed from Google Patents.
Patent US3443360A successfully refreshed from Google Patents.
US3443360A
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US
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Fluid bed cooler for gas separation
Assignee: EIDP Inc
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Filing: 1967-10-12
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Granted: 1969-05-13
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Expires: 1987-10-12
Abstract
No abstract record available.
Inventors
- 👤 James W Reeves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:57
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1231; B; B01; B01D; B01D51/00; B01D51/10; B01J; B01J8/00; B01J8/18; B01J8/1836; C01; C01B; C01B7/00; C01B7/01; C01B7/03; C22B5/00; C22B5/02; C22B5/16; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00132; B01J2208/00168; B01J2208/00176; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-12 | 1972-11-11 | 1973-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-12 | 1976-11-11 | 1977-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-12 | 1980-11-11 | 1981-05-13 | $7700.00 | Window Closed / Lapsed |