US3219408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical disintegration and recovery of uranium from sintered graphite-uranium compacts
Assignee: Individual
•
Filing: 1963-06-14
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Granted: 1965-11-23
•
Expires: 1983-06-14
Abstract
No abstract record available.
Inventors
- 👤 Mildred J Bradley
- 👤 Leslie M Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:02
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0221; C22B60/0226; C22B60/0239; G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PROCESS FOR DISSOLVING URANIUM FROM A AGRAPHITEURANIUM COMPACT HAVING A MINIUMUM DIMENSIN OF 1000 MICRONS WHICH COPRISES CONTACTING SAID COMPACT WITH AT LEAST A 20 M AQUEOUS SOLUTION OF NITRIC ACID TO THEREBY
Claim 2
Dependent Claim
34 words
A PROCESS FOR DISSOLVING URANIUM FROM A AGRAPHITEURANIUM COMPACT HAVING A MINIUMUM DIMENSIN OF 1000 MICRONS WHICH COPRISES CONTACTING SAID COMPACT WITH AT LEAST A 20 M AQUEOUS SOLUTION OF NITRIC ACID TO THEREBY
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) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |