US3215607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-region neutronic fuel element
Assignee: Individual
•
Filing: 1964-02-07
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Granted: 1965-11-02
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Expires: 1984-02-07
Abstract
No abstract record available.
Inventors
- 👤 Mack E Lackey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:14
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A FUEL ELEMENT FOR A NEUTRONIC REACTOR COMPRISING A JACKET OF NONFISSIONABLE MATERIAL, A URANIUM BEARING CORE PORTION DISPOSED WITHIN SAID JACKET, SAID CORE PORTION HAVING INNER AND OUTR REGIONS, SAID OUTER REGION CONTAINING URANIUM ENRICHED IN THE URANIUM -235 ISOTOPE TO A VALUE GREATER THAN THAT OF NAURAL URANIUM -235 ISOTOPE TO A REGION CONTAINING URANIUM HAVING A URANIUM -235 ISOTOPIC ABUNDANCE LESS THAN THAT OF SAID OUTER REGION, AND SAID INNER AND OUTER REGIONS HAVING IDENTICAL CHEMICAL COMPOSITIONS.
Claim 2
Dependent Claim
80 words
A FUEL ELEMENT FOR A NEUTRONIC REACTOR COMPRISING A JACKET OF NONFISSIONABLE MATERIAL, A URANIUM BEARING CORE PORTION DISPOSED WITHIN SAID JACKET, SAID CORE PORTION HAVING INNER AND OUTR REGIONS, SAID OUTER REGION CONTAINING URANIUM ENRICHED IN THE URANIUM -235 ISOTOPE TO A VALUE GREATER THAN THAT OF NAURAL URANIUM -235 ISOTOPE TO A REGION CONTAINING URANIUM HAVING A URANIUM -235 ISOTOPIC ABUNDANCE LESS THAN THAT OF SAID OUTER REGION, AND SAID INNER AND OUTER REGIONS HAVING IDENTICAL CHEMICAL COMPOSITIONS.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |