US3197381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor fuel elements
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1961-10-02
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Granted: 1965-07-27
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Expires: 1981-10-02
Abstract
No abstract record available.
Inventors
- 👤 Blake Leslie Reginald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:20
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/02; G21C1/022; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/17; G21C3/30; G21C3/32; G21C3/33; G21C3/34; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A NUCLEAR REACTOR FUEL ELEMENT, PARTICULARLY FOR A FAST REACTOR, COMPRISING AN OUTER METAL SHEATH WITH A GENERALLY CIRCULAR CROSS SECTIONAL SHAPE HAVING FLATS, AT LEAST ONE INDIVIDUALLY SEALED INNER METAL SHEATH DISPOSED WITHIN SAID OUTER SHEATH IN DIRECT CONTACT WITH SAID FLATS, A THERMALLY BONDING MATERIAL INTERPOSED BETWEEN SAID OUTER SHEATH AND SAID INNER SHEATH WHERE CLEARANCE EXISTS
Claim 2
Dependent Claim
59 words
A NUCLEAR REACTOR FUEL ELEMENT, PARTICULARLY FOR A FAST REACTOR, COMPRISING AN OUTER METAL SHEATH WITH A GENERALLY CIRCULAR CROSS SECTIONAL SHAPE HAVING FLATS, AT LEAST ONE INDIVIDUALLY SEALED INNER METAL SHEATH DISPOSED WITHIN SAID OUTER SHEATH IN DIRECT CONTACT WITH SAID FLATS, A THERMALLY BONDING MATERIAL INTERPOSED BETWEEN SAID OUTER SHEATH AND SAID INNER SHEATH WHERE CLEARANCE EXISTS
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |