Patent US293632A successfully refreshed from Google Patents.
US3030293A
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US
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Nuclear reactor fuel elements
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1957-11-20
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Granted: 1962-04-17
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Expires: 1977-11-20
Abstract
No abstract record available.
Inventors
- 👤 Wyatt Leslie Mark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:10
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/38; G21C3/02; G21C3/04; G21C3/06; G21C3/08; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING AN ELONGATED CYLINDRICAL NUCLEAR FUEL MEMBER, A PROTECTIVE CAN FOR AND IN CLOSE HEAT TRANSFER RELATION WITH SAID FUEL MEMBER, UNINTERRUPTED LONGITUDINAL FIN MEMBERS INTEGRAL WITH SAID CAN AND HAVING SUBSTANTIAL RADICAL DEPTH COMPARED WITH THEIR WIDTH, AND AT LEAST ONE HELICAL FIN THE INNER EDGE OF WHICH PASSES AROUND BUT IS SEPARATE FROM THE CAN AND HAS A SERIES OF SLOTS THROUGH WHICH THE LONGITUDINAL FIN MEMBERS EXTEND, THE RADICAL DEPTH OF THE HELICAL FIN BEING SUBSTANTIAL COMPARED TO ITS WIDTH AND SUFFICIENT TO EXTEND BEYOND THE LONGITUDINAL FIN MEMBERS, AND THE RADICAL DEPTH OF THE SLOTS BEING SUFFICIENT TO PROVIDE FREE SPACE BETWEEN THE LONGITUDINAL FIN MEMBERS AND THE HELICAL FIN.
Claim 2
Dependent Claim
119 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING AN ELONGATED CYLINDRICAL NUCLEAR FUEL MEMBER, A PROTECTIVE CAN FOR AND IN CLOSE HEAT TRANSFER RELATION WITH SAID FUEL MEMBER, UNINTERRUPTED LONGITUDINAL FIN MEMBERS INTEGRAL WITH SAID CAN AND HAVING SUBSTANTIAL RADICAL DEPTH COMPARED WITH THEIR WIDTH, AND AT LEAST ONE HELICAL FIN THE INNER EDGE OF WHICH PASSES AROUND BUT IS SEPARATE FROM THE CAN AND HAS A SERIES OF SLOTS THROUGH WHICH THE LONGITUDINAL FIN MEMBERS EXTEND, THE RADICAL DEPTH OF THE HELICAL FIN BEING SUBSTANTIAL COMPARED TO ITS WIDTH AND SUFFICIENT TO EXTEND BEYOND THE LONGITUDINAL FIN MEMBERS, AND THE RADICAL DEPTH OF THE SLOTS BEING SUFFICIENT TO PROVIDE FREE SPACE BETWEEN THE LONGITUDINAL FIN MEMBERS AND THE HELICAL FIN.
References Cited (Backward Citations)
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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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |