US2903333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rare earth-actinide separation by adsorption
Assignee: Individual
•
Filing: 1951-07-18
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Granted: 1959-09-08
•
Expires: 1971-07-18
Abstract
No abstract record available.
Inventors
- 👤 Charles S Lowe
- 👤 William H Mcvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:35
CPC Classifications
C; C01; C01F; C01F17/00; C01F17/10; B; B01; B01D; B01D15/00; B01J; B01J20/00; B01J20/02; B01J20/10; C01G; C01G25/00; C01G25/003; C01G43/00; C01G43/003; B01D15/08; B01D15/10; B01D15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |