US3356582A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor fuel element assemblies
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1965-08-04
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Granted: 1967-12-05
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Expires: 1985-08-04
Abstract
No abstract record available.
Inventors
- 👤 Saunders Alan Charles Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:04
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C3/348; G21C3/356; G21C3/3563; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
A BRACING GRID FOR BRACING THE NUCLEAR FUEL RODS OF A CLUSTER IN SPACED RELATIONSHIP, SAID GRID HAVING A RIM FOR EMBRACING SAID CLUSTER OF FUEL RODS, SAID RIM BEING SLITTED TO DEFINE RESILIENT FINGERS WHICH CO-OPERATE TO FORM A SUBSTANTIALLY CONTINUOUS ANNULAR SKIRT OF BOUNDARY GREATER THAN THE BOUNDARY OF THE RIM TO ENABLE THE SKIRT TO GRIP RESILIENTLY THE INNER WALL SURFACE OF A COOLANT TUBE OF A NUCLEAR REACTOR CORE.
Claim 2
Dependent Claim
73 words
A BRACING GRID FOR BRACING THE NUCLEAR FUEL RODS OF A CLUSTER IN SPACED RELATIONSHIP, SAID GRID HAVING A RIM FOR EMBRACING SAID CLUSTER OF FUEL RODS, SAID RIM BEING SLITTED TO DEFINE RESILIENT FINGERS WHICH CO-OPERATE TO FORM A SUBSTANTIALLY CONTINUOUS ANNULAR SKIRT OF BOUNDARY GREATER THAN THE BOUNDARY OF THE RIM TO ENABLE THE SKIRT TO GRIP RESILIENTLY THE INNER WALL SURFACE OF A COOLANT TUBE OF A NUCLEAR REACTOR CORE.
Claim 3
Dependent Claim
53 words
A NUCLEAR REACTOR CORE COMPRISING: A BULK OF MODERATING MATERIAL, A PLURALITY OF COOLANT TUBES FOR CONTAINING NUCLEAR FUEL AND FOR CONDUCTING COOLANT FLOW IN LIQUID PHASE IN HEAT EXCHANGE WITH THE FUEL TO GENERATE COOLANT IN GASEOUS PHASE, SAID COOLANT TUBES PENETRATING SAID BULK OF MODERATING MATERIAL IN A PARALLEL ARRAY, A
Claim 4
Dependent Claim
53 words
A NUCLEAR REACTOR CORE COMPRISING: A BULK OF MODERATING MATERIAL, A PLURALITY OF COOLANT TUBES FOR CONTAINING NUCLEAR FUEL AND FOR CONDUCTING COOLANT FLOW IN LIQUID PHASE IN HEAT EXCHANGE WITH THE FUEL TO GENERATE COOLANT IN GASEOUS PHASE, SAID COOLANT TUBES PENETRATING SAID BULK OF MODERATING MATERIAL IN A PARALLEL ARRAY, A
References Cited (Backward Citations)
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US3240681A
Cited
US3220927A
Cited
US3240680A
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US3150057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |