Patent US3297540A successfully refreshed from Google Patents.
US3297540A
Expired / Lapsed
US
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Nuclear reactor fuel element assemblies
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1963-08-26
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Granted: 1967-01-10
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Expires: 1983-08-26
Abstract
No abstract record available.
Inventors
- 👤 Williams Ronald Peter
- 👤 Ashcroft David John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:49
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; G21C1/18; G21C1/20; F; F28; F28F; F28F9/00; F28F9/007; F28F9/013; F28F9/0135; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C7/00; G21C7/02; G21C7/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
A NUCLEAR REACTOR HAVIN A CORE OF THE KIND WHICH IS COOLED BY FLUID MODERATOR AND OF WHICH THE FUEL CONTENT IS IN ROD-SHAPED FUEL ELEMENT SPACED APART FROM ONE ANOTHER FOR PERVAISON BY THE FLUID MEDERATOR, CHARACTERIZED BY UNFUELLED RODS CONTAINING BURNABLE POISON WHICH ARE ARRANGED IN THE CORE ON AXES PARALLEL TO THE FUEL ELEMENTS TO PLACE EVERY ELEMENT IN EQUAL PROXIMITY TO THE BURNABLE POISON RODS, BUT TO ONLY ONE POISON ROD IN EACH CASE, THE BURNABLE POISON RODS BEING ASSEMBLED TOGETHER WITH THE FUEL ELEMENTS INTO UNITARY STRUCTURES.
Claim 2
Dependent Claim
92 words
A NUCLEAR REACTOR HAVIN A CORE OF THE KIND WHICH IS COOLED BY FLUID MODERATOR AND OF WHICH THE FUEL CONTENT IS IN ROD-SHAPED FUEL ELEMENT SPACED APART FROM ONE ANOTHER FOR PERVAISON BY THE FLUID MEDERATOR, CHARACTERIZED BY UNFUELLED RODS CONTAINING BURNABLE POISON WHICH ARE ARRANGED IN THE CORE ON AXES PARALLEL TO THE FUEL ELEMENTS TO PLACE EVERY ELEMENT IN EQUAL PROXIMITY TO THE BURNABLE POISON RODS, BUT TO ONLY ONE POISON ROD IN EACH CASE, THE BURNABLE POISON RODS BEING ASSEMBLED TOGETHER WITH THE FUEL ELEMENTS INTO UNITARY STRUCTURES.
References Cited (Backward Citations)
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Cited
US3087881A
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US3049484A
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US3105026A
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US2984613A
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US3137636A
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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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |