US2599545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclic adsorption process
Assignee: California Research LLC
•
Filing: 1947-12-26
•
Granted: 1952-06-10
•
Expires: 1967-12-26
Abstract
No abstract record available.
Inventors
- 👤 Clark J Egan
- 👤 John W Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:54
CPC Classifications
C; C10; C10G; C10G25/00; B; B01; B01D; B01D15/00; B01D15/08; B01D15/10; B01D15/18; B01D15/1814; B01D15/1821; B01D15/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB109077A
Cited
US2415315A
Cited
US2395491A
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US2410642A
Cited
US2398101A
Cited
US2441572A
Cited
US2470339A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |