Patent US4442005A successfully refreshed from Google Patents.
US3136629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of uranium-carbon alloys
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1960-09-02
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Granted: 1964-06-09
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Expires: 1980-09-02
Abstract
No abstract record available.
Inventors
- 👤 Williams Jack
- 👤 Regan Michael Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 06:01
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; C; C01; C01B; C01B32/00; C01B32/90; C01B32/914; C01B32/928; C04; C04B; C04B35/00; C04B35/51; C22; C22C; C22C32/00; C22C32/0047; C22C32/0052; C22C43/00; C01P; C01P2006/00; C01P2006/10; C01P2006/80; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF PRODUCING A URANIUM-CARBON ALLOY OF HIGH DENSITY AND LOW POROSITY COMPRISING MIXING URANIUM POWDER, CARBON POWDER, AND IRON IN THE FORM OF AN INTERMETALLIC COMPOUND OF IRON AND URANIUM, THE IRON CONSTITUTING FROM ABOUT 1 TO 10% OF THE WHOLE BY WEIGHT, COLD COMPACTING THE MIXTURE, PASSING THE MIXTURE TO A SINTERING ZONE, HEATING SUCH ZONE TO A TEMPERATURE OF BETWEEN ABOUT 800*C. AND 1125*C., AND MAINTAINING THE MIXTURE IN SUCH ZONE FOR A PERIOF OF TIME SUFFICIENT TO EFFECT THE COMPLETE SINTERING THEREOF.
Claim 2
Independent Claim
87 words
A METHOD OF PRODUCING A URANIUM-CARBON ALLOY OF HIGH DENSITY AND LOW POROSITY COMPRISING MIXING URANIUM POWDER, CARBON POWDER, AND IRON IN THE FORM OF AN INTERMETALLIC COMPOUND OF IRON AND URANIUM, THE IRON CONSTITUTING FROM ABOUT 1 TO 10% OF THE WHOLE BY WEIGHT, COLD COMPACTING THE MIXTURE, PASSING THE MIXTURE TO A SINTERING ZONE, HEATING SUCH ZONE TO A TEMPERATURE OF BETWEEN ABOUT 800*C. AND 1125*C., AND MAINTAINING THE MIXTURE IN SUCH ZONE FOR A PERIOF OF TIME SUFFICIENT TO EFFECT THE COMPLETE SINTERING THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |