US2868620A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making plutonium dioxide
Assignee: Individual
•
Filing: 1947-06-09
•
Granted: 1959-01-13
•
Expires: 1967-06-09
Abstract
No abstract record available.
Inventors
- 👤 Clifford S Garner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:29
CPC Classifications
C; C01; C01G; C01G56/00; C01G56/004; C01G56/005
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
THE PROCESS OF CONVERTING A PLUTONIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF PLUS THREE PLUTONIUM OXALATE AND PLUS FOUR PLUTONIUM OXALATE TO SUBSTANTIALLY PURE PLUTONIUM DIOXIDE WHICH COMPRISES DRYING THE PLUTONIUM OXALATE WITH A STREAM OF WARM AIR, AND HEATING TO A TEMPERATURE WITHIN THE RANGE FROM 400*C. TO 600*C., PASSING THROUGH THE RANGE FROM 300*C. TO THE FINAL TEMPERATURE IN ABOUT 0.3 HOUR.
References Cited (Backward Citations)
US2099325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |