Patent US3330736A successfully refreshed from Google Patents.
US3330736A
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Fuel cluster for nuclear reactor
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1965-06-28
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Granted: 1967-07-11
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Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Cousseran Pierre
- 👤 Hassig Jean-Marc
- 👤 Roche Roland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:39
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/33; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49947; Y10T29/49959
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
FUEL CLUSTER ASSEMBLY FOR HETEROGENEOUS NUCLEAR REACTOR COMPRISING A PLURALITY OF PARALLEL FUEL ELEMENTS ARRANGED IN A PLURALITY OF CONCENTRIC ROWS, EACH OF SAID FUEL ELEMENTS COMPRISING A CYLINDRICAL ROD OF FUEL MATERIAL, A CAN ENCLOSING SAID ROD AND RADIALLY DIRECTED STRAIGHT FINS INTEGRAL WITH SAID CAN AND EXTENDING AXIALLY SUBSTANTIALLY ALONG THE FULL LENGTH OF SAID FUEL ELEMENT, SAID FINS OF TWO ADJACENT FUEL ELEMENTS BEING ARRANGED IN PAIRS, AND LOCATED IN THE SAME PLANE, KEYWAYS IN SAID FINS OF EACH OF SAID PAIRS OF FINS AND REMOVABLE KEY MEMBERS AXIALLY SLIDABLE IN SAID KEYWAYS FOR CONNECTING SAID ADJACENT FUEL ELEMENTS.
Claim 2
Dependent Claim
102 words
FUEL CLUSTER ASSEMBLY FOR HETEROGENEOUS NUCLEAR REACTOR COMPRISING A PLURALITY OF PARALLEL FUEL ELEMENTS ARRANGED IN A PLURALITY OF CONCENTRIC ROWS, EACH OF SAID FUEL ELEMENTS COMPRISING A CYLINDRICAL ROD OF FUEL MATERIAL, A CAN ENCLOSING SAID ROD AND RADIALLY DIRECTED STRAIGHT FINS INTEGRAL WITH SAID CAN AND EXTENDING AXIALLY SUBSTANTIALLY ALONG THE FULL LENGTH OF SAID FUEL ELEMENT, SAID FINS OF TWO ADJACENT FUEL ELEMENTS BEING ARRANGED IN PAIRS, AND LOCATED IN THE SAME PLANE, KEYWAYS IN SAID FINS OF EACH OF SAID PAIRS OF FINS AND REMOVABLE KEY MEMBERS AXIALLY SLIDABLE IN SAID KEYWAYS FOR CONNECTING SAID ADJACENT FUEL ELEMENTS.
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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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |