Patent EP0038658A2 successfully refreshed from Google Patents.
Patent US2771338A successfully refreshed from Google Patents.
US2771338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of uranium peroxide
Assignee: Individual
•
Filing: 1945-03-15
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Granted: 1956-11-20
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Expires: 1965-03-15
Abstract
No abstract record available.
Inventors
- 👤 Spiegler Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:22
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/04; C01B15/047; C01B15/0475
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
IN THE RECOVERY OF URANIUM PEROXIDE BY PRECIPITATION FROM A URANYL SULFATE SOLUTION CONTAINING MAGNESIUM AND FLUORINE, THE IMPROVEMENT WHICH COMPRISES EFFECTING THE URANIUM PEROXIDE PRECIPITATION IN THE PRESENCE OF DISSOLVED AMMONIUM SULFATE AND PROMPTLY SEPARATING THE URANIUM PEROXIDE FROM MOTHER LIQUOR.
Claim 2
Dependent Claim
42 words
IN THE RECOVERY OF URANIUM PEROXIDE BY PRECIPITATION FROM A URANYL SULFATE SOLUTION CONTAINING MAGNESIUM AND FLUORINE, THE IMPROVEMENT WHICH COMPRISES EFFECTING THE URANIUM PEROXIDE PRECIPITATION IN THE PRESENCE OF DISSOLVED AMMONIUM SULFATE AND PROMPTLY SEPARATING THE URANIUM PEROXIDE FROM MOTHER LIQUOR.
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) | 1959-11-20 | 1960-05-21 | 1960-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-20 | 1964-05-21 | 1964-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-20 | 1968-05-21 | 1968-11-20 | $7700.00 | Window Closed / Lapsed |