Patent US3239426A successfully refreshed from Google Patents.
US3239426A
Expired / Lapsed
US
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Bow restraint means for rod cluster nuclear fuel assembly
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1961-10-19
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Granted: 1966-03-08
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Expires: 1981-10-19
Abstract
No abstract record available.
Inventors
- 👤 Waine Peter
- 👤 Waters James Duncan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:19
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C3/348; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A ROD CLUSTER FUEL ASSEMBLY COMPRISING A LATTICE OF FUEL RODS END-LOCATED IN A TUBULAR HOUSING ADAPTED FOR COOLANT FLOW THERETHROUGH AND BOW RESTRAINT MEANS INTERMEDIATE THE LENGTHS OF SAID RODS, SAID BOW RESTRAINT MEANS COMPRISING AN OPENWORK STRUCTURE FORMED BY A PLURALITY OF THIN-WALLED MEMBERS DISPOSED EDGE-ON TO COOLANT FLOW THROUGH THE FUEL ROD HOUSING AND ENCIRCLING THE FUEL RODS TO DEFINE AN UNOBSTRUCTED ANNULAR CLEARANCE BETWEEN SAID THIN-WALLED MEMBERS AND SAID FUEL RODS.
Claim 2
Dependent Claim
75 words
A ROD CLUSTER FUEL ASSEMBLY COMPRISING A LATTICE OF FUEL RODS END-LOCATED IN A TUBULAR HOUSING ADAPTED FOR COOLANT FLOW THERETHROUGH AND BOW RESTRAINT MEANS INTERMEDIATE THE LENGTHS OF SAID RODS, SAID BOW RESTRAINT MEANS COMPRISING AN OPENWORK STRUCTURE FORMED BY A PLURALITY OF THIN-WALLED MEMBERS DISPOSED EDGE-ON TO COOLANT FLOW THROUGH THE FUEL ROD HOUSING AND ENCIRCLING THE FUEL RODS TO DEFINE AN UNOBSTRUCTED ANNULAR CLEARANCE BETWEEN SAID THIN-WALLED MEMBERS AND SAID FUEL RODS.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |