US2684124A
Expired / Lapsed
US
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Gravity moving bed adsorption process and apparatus
Assignee: Union Oil Company of California
•
Filing: 1949-03-15
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Granted: 1954-07-20
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Expires: 1969-03-15
Abstract
No abstract record available.
Inventors
- 👤 Jr John E Hines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:16
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/06; B01D53/08; B01D2253/00; B01D2253/10; B01D2253/102; B01D2259/00; B01D2259/40; B01D2259/40011; B01D2259/40077; B01D2259/40081; B01D2259/40083; B01D2259/40088; B01D2259/4009; B01D53/04; B01D53/0462; B01D53/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US727030A
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US1422007A
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US2304827A
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US2310377A
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US2519873A
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US2519342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |