US3235463A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor
Assignee: Babcock and Wilcox Co
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Filing: 1961-10-09
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Granted: 1966-02-15
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Expires: 1981-10-09
Abstract
No abstract record available.
Inventors
- 👤 Melvin F Sankovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:23
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/08; G21C11/00; G21C11/02; G21C11/08; G21C13/00; G21C13/02; G21C13/04; G21C17/00; G21C17/02; G21C17/04; G21C3/00; G21C3/30; G21C3/32; G21C7/00; G21C7/02; G21C7/04; G21D; G21D5/00; G21D5/04; G21D5/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/90; Y10S376/901; Y10S376/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
IN A NUCLEAR REACTOR A SUPERCRITICAL MASS OF FUEL CONTAINING A MIXTURE OF ENRICHED URANIUM AND ADDITIONAL FERTILE MATERIAL, SAID MIXTURE ARRANGED IN A CORE TO UNDERGO A CONTROLLED CHAIN TYPE FISSION REACTION, THE INVENTION COMPRISING A PLURALITY OF UNIFORMLY CONSTRUCTED ELONGATED AND LONGITUNDINALLY CONTINGUOUS FUEL ELEMENT ASSEMBLIES OF HETEROGENEOUS FORM, EACH OF SAID ASSEMBLIES CONTAINING SAID MIXTURE OF ENRICHED URANIUM AND FERTILE MATERIAL AND WITH THE ENRICHED URANIUM THEREIN BEING OF SUBSTANTIALLY UNIFORM ENRICHMENT THROUGHTOUT SAID CORE, SAID FUEL CONCENTRATION ZONES, EACH OF SAID ZONES HAVING A UNIFORM FISSIONABLE TO FERTILE MATERIAL WEIGHT PERCENT RATIO IN THE FUEL ELEMENT ASSEMBLIES POSITIONED IN DIFFERENT ZONES HAVE A SUBSTANTIALLY DIFFERENT FISSIONABLE TO FERTILE MATERIAL WEIGHT PERCENT RATIO AND CONTRIBUTING A SUBSTANTIAL PORTION OF THE POWER INTIALLY DEVELOPED IN THE CORE.
Claim 2
Dependent Claim
129 words
IN A NUCLEAR REACTOR A SUPERCRITICAL MASS OF FUEL CONTAINING A MIXTURE OF ENRICHED URANIUM AND ADDITIONAL FERTILE MATERIAL, SAID MIXTURE ARRANGED IN A CORE TO UNDERGO A CONTROLLED CHAIN TYPE FISSION REACTION, THE INVENTION COMPRISING A PLURALITY OF UNIFORMLY CONSTRUCTED ELONGATED AND LONGITUNDINALLY CONTINGUOUS FUEL ELEMENT ASSEMBLIES OF HETEROGENEOUS FORM, EACH OF SAID ASSEMBLIES CONTAINING SAID MIXTURE OF ENRICHED URANIUM AND FERTILE MATERIAL AND WITH THE ENRICHED URANIUM THEREIN BEING OF SUBSTANTIALLY UNIFORM ENRICHMENT THROUGHTOUT SAID CORE, SAID FUEL CONCENTRATION ZONES, EACH OF SAID ZONES HAVING A UNIFORM FISSIONABLE TO FERTILE MATERIAL WEIGHT PERCENT RATIO IN THE FUEL ELEMENT ASSEMBLIES POSITIONED IN DIFFERENT ZONES HAVE A SUBSTANTIALLY DIFFERENT FISSIONABLE TO FERTILE MATERIAL WEIGHT PERCENT RATIO AND CONTRIBUTING A SUBSTANTIAL PORTION OF THE POWER INTIALLY DEVELOPED IN THE CORE.
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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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |