Patent US3290224A successfully refreshed from Google Patents.
US3290224A
Expired / Lapsed
US
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Nuclear reactor fuel elements
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1965-03-01
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Granted: 1966-12-06
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Expires: 1985-03-01
Abstract
No abstract record available.
Inventors
- 👤 Robertson James Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:39
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/30; G21C3/36; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING A HELICALLY WOUND STRIP OF PROTECTIVELY CLAD NUCLEAR FUEL MATERIAL, SAID PROTECTIVE CLADDING EXTENDING BEYOND THE LATERAL EDGES OF THE NUCLEAR FUEL MATERIAL, ADJACENT EDGES OF THE WOUND STRIP BEING JOINTED TOGETHER SO AS TO FORM A TUBE.
Claim 2
Dependent Claim
44 words
A NUCLEAR REACTOR FUEL ELEMENT COMPRISING A HELICALLY WOUND STRIP OF PROTECTIVELY CLAD NUCLEAR FUEL MATERIAL, SAID PROTECTIVE CLADDING EXTENDING BEYOND THE LATERAL EDGES OF THE NUCLEAR FUEL MATERIAL, ADJACENT EDGES OF THE WOUND STRIP BEING JOINTED TOGETHER SO AS TO FORM A TUBE.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |