US2855270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of recovering uranium
Assignee: Individual
•
Filing: 1944-10-20
•
Granted: 1958-10-07
•
Expires: 1964-10-20
Abstract
No abstract record available.
Inventors
- 👤 James M Carter
- 👤 Clarence E Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:10
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/04; C01B15/047; C01B15/0475; C01G; C01G43/00; C01G43/01; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0221; C22B60/0226; C22B60/0252; C22B60/0278
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
73 words
THE PROCESS FOR RECOVERING URANIUM VALUES FROM DEPOSITS FORMED ON A METALLIC SURFACE COMPRISING TREATING SAID DEPOSITS TO PRODUCE AN OXIDIZED ACIDIC SOLUTION CONTAINING THE URANIUM TOGETHER WITH IMPURITIES OF THE GROUP CONSISTING OF COPPER, IRON, CHROMIUM, NICKEL, MANGANESE AND ZINC, TREATING SAID SOLUTION WITH AMMONIA TO PRECIPITATE THE URANIUM AND THE IRON AND CHROMIUM AWAY FROM THE OTHER METAL IMPURITIES WHICH REMAIN IN THE SOLUTION, SEPARATING THE PRECIPITATE FROM THE SOLUTION, DISSOLVING
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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |