US3304235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear fuel elements formed by metallic uranium or its alloys lined with magnesium or zirconium alloys and process of lining said elements
Assignee: Snam SpA
•
Filing: 1964-12-15
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Granted: 1967-02-14
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Expires: 1984-12-15
Abstract
No abstract record available.
Inventors
- 👤 Granata Saverio
- 👤 Giacchetti Gian-Carlo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:42
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
47 words
A FUEL ELEMENT OF URANIUM OR URANIUM ALLOYS, LINED WITH A LINING CONSISTING OF MAGNESIUM OR ZIRCONIUM-BASED ALLOYS OR OF ZIRCONIUM, WHEREIN A LAYER OF TITANIUM IS INTERPOSED BETWEEN THE FUEL ELEMENT AND THE LINING WHICH IS INTERDIFFUSED BOTH TOWARDS THE FUEL ELEMENT AND TOWARDS THE LINING.
Claim 2
Dependent Claim
47 words
A FUEL ELEMENT OF URANIUM OR URANIUM ALLOYS, LINED WITH A LINING CONSISTING OF MAGNESIUM OR ZIRCONIUM-BASED ALLOYS OR OF ZIRCONIUM, WHEREIN A LAYER OF TITANIUM IS INTERPOSED BETWEEN THE FUEL ELEMENT AND THE LINING WHICH IS INTERDIFFUSED BOTH TOWARDS THE FUEL ELEMENT AND TOWARDS THE LINING.
Claim 3
Dependent Claim
70 words
PROCESS OF LINING OF FUEL ELEMENTS OF METALLIC URANIUM OR ITS ALLOYS BY MEANS OF A LINING CONSISTING OF MAGNESIUM OR ZIRCONIUM BASE ALLOYS OR OF ZIRCONIUM COMPRISING ON THE URANIUM OR URANIUM ALLOY FUEL ELEMENT FIRST APPLYING A LAYER OF TITANIUM, AND INTERDIFFUSING THE TITANIUM LAYER WITH THE FUEL ELEMENT, AND THEN APPLYING THE LINING ON THE LAYER OF TITANIUM AND EFFECTING INTERDIFFUSION BETWEEN THE TITANIUM AND THE LINING.
Claim 4
Dependent Claim
70 words
PROCESS OF LINING OF FUEL ELEMENTS OF METALLIC URANIUM OR ITS ALLOYS BY MEANS OF A LINING CONSISTING OF MAGNESIUM OR ZIRCONIUM BASE ALLOYS OR OF ZIRCONIUM COMPRISING ON THE URANIUM OR URANIUM ALLOY FUEL ELEMENT FIRST APPLYING A LAYER OF TITANIUM, AND INTERDIFFUSING THE TITANIUM LAYER WITH THE FUEL ELEMENT, AND THEN APPLYING THE LINING ON THE LAYER OF TITANIUM AND EFFECTING INTERDIFFUSION BETWEEN THE TITANIUM AND THE LINING.
References Cited (Backward Citations)
GB799771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-13 | 1970-08-15 | 1971-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-13 | 1974-08-15 | 1975-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-13 | 1978-08-15 | 1979-02-14 | $7700.00 | Window Closed / Lapsed |