Patent US3309283A successfully refreshed from Google Patents.
US3309283A
Expired / Lapsed
US
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Fuel pencils having a thin flexible can for nuclear reactors
Assignee: European Atomic Energy Community Euratom
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Filing: 1965-07-19
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Granted: 1967-03-14
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Expires: 1985-07-19
Abstract
No abstract record available.
Inventors
- 👤 Alfille Lucien
- 👤 Charrault Jean-Claude
- 👤 Lafontaine Francois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:49
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; G21C3/06; G21C3/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A FUEL PENCIL FOR USE IN NUCLEAR REACTORS INCLUDING PRESSURE FLUID COOLED POWER REACTORS IN WHICH SAID PENCIL IS PLACED IN A GUIDING CHANNEL IN CLOSE FITTING RELATIONSHIP, SAID PENCIL COMPRISING A CYLINDRICAL SHEATH, SAID SHEATH COMPRISING TERMINAL ENCLOSURES RECEIVING ZONES AT EACH END PORTION THEREOF AND A CENTRAL PORTION, A PLURALITY OF PARALLEL LONGITUDINAL CORRUGATIONS FORMED IN SAID CENTRAL PORTION AND PERMITTING RADIAL DISTORTION, AT LEAST ONE END ZONE OF SAID SHEATH HAVING THEREIN CORRUGATIONS PERMITTING AXIAL DISTORTION, FISSILE MATERIALS PLACED WITHIN SAID SHEATH AND HAVING RADIAL AND LONGITUDINAL CLEARANCE THEREWITH, A LOW NEUTRON ABSORBING MATERIAL WHICH IS A GOOD HEAT CONDUCTOR FILLING THE CLEARANCE BETWEEN SAID FISSILE MATERIAL AND SAID SHEATH, SAID MATERIAL PREFERABLY BEING PLASTIC
References Cited (Backward Citations)
GB978737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |