US2804369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of uranium hexafluoride
Assignee: Individual
•
Filing: 1947-02-24
•
Granted: 1957-08-27
•
Expires: 1967-02-24
Abstract
No abstract record available.
Inventors
- 👤 Fowler Robert Dudley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/04; C01G43/06; C01G43/063; C01G43/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
PROCESS FOR THE PRODUCTION OF URANIUM HEXAFLUORIDE WHICH COMPRISES HEATING URANIUM TETRAFLUORIDE WITH COBALTIC FLUORIDE IN THE ABSENCE OF AIR, AND RECOVERING THE URANIUM HEXAFLUORIDE THEREBY PRODUCED.
Claim 2
Dependent Claim
27 words
PROCESS FOR THE PRODUCTION OF URANIUM HEXAFLUORIDE WHICH COMPRISES HEATING URANIUM TETRAFLUORIDE WITH COBALTIC FLUORIDE IN THE ABSENCE OF AIR, AND RECOVERING THE URANIUM HEXAFLUORIDE THEREBY PRODUCED.
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) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |