Patent US2580349A successfully refreshed from Google Patents.
US2580349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming uranium carbide
Assignee: Individual
•
Filing: 1947-02-03
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Granted: 1951-12-25
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Expires: 1967-02-03
Abstract
No abstract record available.
Inventors
- 👤 Ray W Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:32
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/90; C01B32/914; C01B32/928; C01P; C01P2006/00; C01P2006/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR PRODUCING URANIUM MONOCARBIDE WHICH COMPRISES HEATING URANIUM METAL IN CONTACT WITH METHANE IN STOICHIOMETRIC AMOUNTS AT A TEMPERATURE ABOUT 400* C. AND LESS THAN 11250 C. WHEREIN THE CARBON CONTENT THUS INTRODUCED IS EQUAL TO ABOUT 4.8% TO THE URANIUM METAL CONTENT.
Claim 2
Dependent Claim
45 words
A PROCESS FOR PRODUCING URANIUM MONOCARBIDE WHICH COMPRISES HEATING URANIUM METAL IN CONTACT WITH METHANE IN STOICHIOMETRIC AMOUNTS AT A TEMPERATURE ABOUT 400* C. AND LESS THAN 11250 C. WHEREIN THE CARBON CONTENT THUS INTRODUCED IS EQUAL TO ABOUT 4.8% TO THE URANIUM METAL CONTENT.
References Cited (Backward Citations)
US560291A
Cited
US2380008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-24 | 1955-06-25 | 1955-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-24 | 1959-06-25 | 1959-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-24 | 1963-06-25 | 1963-12-25 | $7700.00 | Window Closed / Lapsed |