US3285737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear fuel materials
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1964-12-10
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Granted: 1966-11-15
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Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Bellamy Roy Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:26
CPC Classifications
C; C22; C22C; C22C43/00; G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/60; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
36 words
AN ALLOY OF URANIUM CONTAINING 100-1500 P.P.M. OF ALUMINUM AND A CORRESPONDING ADDITION OF AT LEAST ONE GRAIN REFINING ELEMENT TO GIVE A GRAIN SIZE NOT EXCEEDING 0.5 MM., THE REST BEING URANIUM AND INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim
36 words
AN ALLOY OF URANIUM CONTAINING 100-1500 P.P.M. OF ALUMINUM AND A CORRESPONDING ADDITION OF AT LEAST ONE GRAIN REFINING ELEMENT TO GIVE A GRAIN SIZE NOT EXCEEDING 0.5 MM., THE REST BEING URANIUM AND INCIDENTAL IMPURITIES.
Claim 3
Dependent Claim
36 words
THE ALLOY OF CLAIM 1 WHEREIN THE GRAIN REFINING ELEMENT IS SELECTED TO BE AT LEAST ONE OF THE GROUP CONSISTING OF CHROMIUM, MOLYBDENUM, RHODIUM, COBALT, IRIDIUM, OSMIUM, RHENIUM, RUTHENIUM, NICKEL, PLATINUM, TUNGSTEN, VANADIUM AND MANGANESE.
Claim 4
Dependent Claim
44 words
A FUEL ELEMENT FOR A NUCLEAR REACTOR COMPRISING AN ALLOY OF URANIUM CONTAINING 100-1500 P.P.M. OF ALUMINIUM AND A CORRESPONDING ADDITION OF AT LEAST ONE GRAIN REFINING ELEMENT TO GIVE A GRAIN SIZE NOT EXCEEDING 0.5 MM., THE REST BEING URANIUM AND INCIDENTAL IMPURITIES.
Claim 5
Dependent Claim
44 words
A FUEL ELEMENT FOR A NUCLEAR REACTOR COMPRISING AN ALLOY OF URANIUM CONTAINING 100-1500 P.P.M. OF ALUMINIUM AND A CORRESPONDING ADDITION OF AT LEAST ONE GRAIN REFINING ELEMENT TO GIVE A GRAIN SIZE NOT EXCEEDING 0.5 MM., THE REST BEING URANIUM AND INCIDENTAL IMPURITIES.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |