US3344036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor fuel element assemblies
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1965-09-28
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Granted: 1967-09-26
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Haslam Robert James
- 👤 Leaver Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:29
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/33; G21C3/3305; G21C3/34; G21C3/344; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A NUCLEAR REACTOR FUEL ELEMENT ASSEMBLY COMPRISING: A CLUSTER OF SPACED ELONGATE PARALLEL SHEATHED FUEL RODS; AN END SUPPORT FOR SAID RODS IN SAID CLUSTER; AT LEAST ONE TRANSVERSE BRACING GRID DISPOSED INTERMEDIATE THE ENDS OF SAID FUEL RODS FOR SPACING SAID FUEL RODS; AND A GROUP OF SPACED SOLID PROJECTIONS FORMING WEAR PADS ON THE OUTER SURFACE OF EACH OF THE FUEL RODS, SAID PROJECTIONS BEING OF ELONGATE FORM ARRANGED WITH THEIR LONGITUDINAL AXES PARALLEL WITH THE LONGITUNINAL AXES OF THE FUEL ELEMENTS, SAID GROUP OF PROJECTIONS COINCIDING WITH SAID TANSVERSE BRACING GRID AND ADAPTED SLIDABLY TO ENGAGE WITH AND TO SPACE THE FUEL RODS FROM SAID GRID.
Claim 2
Dependent Claim
109 words
A NUCLEAR REACTOR FUEL ELEMENT ASSEMBLY COMPRISING: A CLUSTER OF SPACED ELONGATE PARALLEL SHEATHED FUEL RODS; AN END SUPPORT FOR SAID RODS IN SAID CLUSTER; AT LEAST ONE TRANSVERSE BRACING GRID DISPOSED INTERMEDIATE THE ENDS OF SAID FUEL RODS FOR SPACING SAID FUEL RODS; AND A GROUP OF SPACED SOLID PROJECTIONS FORMING WEAR PADS ON THE OUTER SURFACE OF EACH OF THE FUEL RODS, SAID PROJECTIONS BEING OF ELONGATE FORM ARRANGED WITH THEIR LONGITUDINAL AXES PARALLEL WITH THE LONGITUNINAL AXES OF THE FUEL ELEMENTS, SAID GROUP OF PROJECTIONS COINCIDING WITH SAID TANSVERSE BRACING GRID AND ADAPTED SLIDABLY TO ENGAGE WITH AND TO SPACE THE FUEL RODS FROM SAID GRID.
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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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |