Patent US3372213A successfully refreshed from Google Patents.
US3372213A
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Method of manufacturing oxide nuclear fuel containing a boride
Assignee: Sumitomo Electric Industries Ltd
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Filing: 1964-12-11
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Granted: 1968-03-05
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Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Atsushi Nishiyama
- 👤 Toshio Kasamatsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:47
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; G21C21/00; G21C21/02; G21C21/04; G21C7/00; G21C7/02; G21C7/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A METHOD OF MANUFACTURING NUCLEAR FUEL MATERIAL HAVING PROLONGED FUEL LIFE WHICH COMPRISES THE STEPS OF MIXING THE POWDER OF OXIDE NUCLEAR FUEL WITH TH POWDER OF AT LEAST ONE JOF TIB2, ZRB2, CRB2, NBB2 AND VB2, COMPACTING THE MIXTURE UNDER A COMPACTING PRESSURE OF AT LEAST 3 T./CM.2, AND SINTERING THE COMPACTED MIXTURE AT A TEMPERATURE OF AT LEAST 1,500*C. IN A HIGH DEGREE OF VACUUM OF AT LEAST 10-**3 MM. HG.
Claim 2
Independent Claim
73 words
A METHOD OF MANUFACTURING NUCLEAR FUEL MATERIAL HAVING PROLONGED FUEL LIFE WHICH COMPRISES THE STEPS OF MIXING THE POWDER OF OXIDE NUCLEAR FUEL WITH TH POWDER OF AT LEAST ONE JOF TIB2, ZRB2, CRB2, NBB2 AND VB2, COMPACTING THE MIXTURE UNDER A COMPACTING PRESSURE OF AT LEAST 3 T./CM.2, AND SINTERING THE COMPACTED MIXTURE AT A TEMPERATURE OF AT LEAST 1,500*C. IN A HIGH DEGREE OF VACUUM OF AT LEAST 10-**3 MM. HG.
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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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |