Patent US2852460A successfully refreshed from Google Patents.
US2852460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel-breeder fuel element for nuclear reactor
Assignee: Individual
•
Filing: 1956-08-06
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Granted: 1958-09-16
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Expires: 1976-08-06
Abstract
No abstract record available.
Inventors
- 👤 William E Abbott
- 👤 Balent Ralph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:52
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/12; G21C3/16; G21C3/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A REACTOR FUEL ELEMENT COMPRISING A THIMBLE, A CENTRAL ROD IN SAID THIMBLE, SAID THIMBLE AND SAID ROD HAVING RELATIVELY LOW THERMAL NEUTRON ABSORPTION CROSS SECTIONS, A CORE OF A FERTILE MATERIAL SELECTED FROM THE GROUP CONSISTING OF URANIUM-238 AND THORIUM IMMEDIATELY SURROUNDING SAID ROD, SAID CORE SURROUNDED BY A FIRST THERMAL BONDING MATERIAL OF A MOLTEN INORGANIC MEDIUM OF RELATIVELY LOW THERMAL NEUTRON ABSORPTION CROSS-SECTION SELECTED FROM THE GROUP CONSISTING OF FUSED FLUORIDE SALTS, SODIUM, SODIUM-POTASSIUM, BISMUTH, AND BISMUTH-TIN, A SHEET OF FISSIONABLE MATERIAL IMMEDIATELY SURROUNDING SAID FIRST BONDING MATERIAL, AND A SECOND BONDING MATERIAL OF SAID MOLTEN INORGANIC MEDIUM SURROUNDING SAID FISSIONABLE MATERIAL AND IN CONTACT WITH THE INTERIOR SURFACE OF SAID THIMBLE.
Claim 2
Dependent Claim
115 words
A REACTOR FUEL ELEMENT COMPRISING A THIMBLE, A CENTRAL ROD IN SAID THIMBLE, SAID THIMBLE AND SAID ROD HAVING RELATIVELY LOW THERMAL NEUTRON ABSORPTION CROSS SECTIONS, A CORE OF A FERTILE MATERIAL SELECTED FROM THE GROUP CONSISTING OF URANIUM-238 AND THORIUM IMMEDIATELY SURROUNDING SAID ROD, SAID CORE SURROUNDED BY A FIRST THERMAL BONDING MATERIAL OF A MOLTEN INORGANIC MEDIUM OF RELATIVELY LOW THERMAL NEUTRON ABSORPTION CROSS-SECTION SELECTED FROM THE GROUP CONSISTING OF FUSED FLUORIDE SALTS, SODIUM, SODIUM-POTASSIUM, BISMUTH, AND BISMUTH-TIN, A SHEET OF FISSIONABLE MATERIAL IMMEDIATELY SURROUNDING SAID FIRST BONDING MATERIAL, AND A SECOND BONDING MATERIAL OF SAID MOLTEN INORGANIC MEDIUM SURROUNDING SAID FISSIONABLE MATERIAL AND IN CONTACT WITH THE INTERIOR SURFACE OF SAID THIMBLE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |