US3284315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor fuel element assembly
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1964-12-04
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Granted: 1966-11-08
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Thome Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:07
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/33; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
AN IMPROVEMENT IN A FUEL ELEMENT ASSEMBLY FOR GASCOOLED NUCLEAR REACTORS, WHEREIN CANNED FUEL RODS ARE ASSEMBLED IN PARALLEL RELATION SO AS TO FORM A FUEL CLUSTER AND ARE MAINTAINED IN THIS GEOMETRY BY MEANS OF AT LEAST ONE SUPPORT GRID HAVING AN OUTER SLEEVE, SAID IMPROVEMENT COMPRISING FITTING SAID OUTER SLEEVE WITH A HEAT INSULATING PACKING KEYED IN POSITION TO SAID OUTER SLEEVE BY MEANS OF VIBRRATION-ABSORBING MATERIAL.
Claim 2
Dependent Claim
69 words
AN IMPROVEMENT IN A FUEL ELEMENT ASSEMBLY FOR GASCOOLED NUCLEAR REACTORS, WHEREIN CANNED FUEL RODS ARE ASSEMBLED IN PARALLEL RELATION SO AS TO FORM A FUEL CLUSTER AND ARE MAINTAINED IN THIS GEOMETRY BY MEANS OF AT LEAST ONE SUPPORT GRID HAVING AN OUTER SLEEVE, SAID IMPROVEMENT COMPRISING FITTING SAID OUTER SLEEVE WITH A HEAT INSULATING PACKING KEYED IN POSITION TO SAID OUTER SLEEVE BY MEANS OF VIBRRATION-ABSORBING MATERIAL.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |