US3392113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sorption process with removing impurities from the desorbent
Assignee: Universal Oil Products Co
•
Filing: 1965-02-16
•
Granted: 1968-07-09
•
Expires: 1985-02-16
Abstract
No abstract record available.
Inventors
- 👤 Rosset Armand J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:34
CPC Classifications
C; C10; C10G; C10G25/00; C07; C07C; C07C7/00; C07C7/12; C07C7/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2854495A
Cited
US2819326A
Cited
US2985589A
Cited
US3030431A
Cited
US3094569A
Cited
US3291726A
Cited
US3306848A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-09 | 1972-01-08 | 1972-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-09 | 1976-01-08 | 1976-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-09 | 1980-01-08 | 1980-07-09 | $7700.00 | Window Closed / Lapsed |