US2811413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorination process
Assignee: Individual
•
Filing: 1953-05-20
•
Granted: 1957-10-29
•
Expires: 1973-05-20
Abstract
No abstract record available.
Inventors
- 👤 Thomas S Mcmillan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:51
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/04; C01G43/06; C01G43/063; C01G43/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A PROCESS FOR THE CONVERSION OF URANIUM METAL DIRECTLY TO URANIUM HEXAFLUORIDE, WHICH COMPRISES CONTACTING SAID METAL WITH A LIQUID MIXTURE COMPRISING ESSENTIALLY A HALOGEN TRIFLUORIDE TOGETHER WITH HYDROGEN FLUORIDE UNTIL SAID CONVERSION IS SUBSTANTIALLY COMPLETE.
Claim 2
Dependent Claim
36 words
A PROCESS FOR THE CONVERSION OF URANIUM METAL DIRECTLY TO URANIUM HEXAFLUORIDE, WHICH COMPRISES CONTACTING SAID METAL WITH A LIQUID MIXTURE COMPRISING ESSENTIALLY A HALOGEN TRIFLUORIDE TOGETHER WITH HYDROGEN FLUORIDE UNTIL SAID CONVERSION IS SUBSTANTIALLY COMPLETE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |