US3345266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fast nuclear reactors
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1966-02-03
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Granted: 1967-10-03
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Expires: 1986-02-03
Abstract
No abstract record available.
Inventors
- 👤 Mann John Erskine
- 👤 Barker Allan
- 👤 Perks Maurice Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:18
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/02; G21C1/022; G21C1/024; G21C1/028; G21C5/00; G21C5/18; G21C5/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A FAST NUCLEAR REACTOR COOLED BY SUPERCRITICALLY PRESSURISED AQUEOUS COOLANT AND COMPRISING A FAST FUEL REGION, AN ENCIRCLING REGION HAVING A HIGHER PROPORTION OF FERTILE TO FISSILE MATERIAL, AND A ZONE EXTENDING SUBSTANTIALLY UNINTERRUPTEDLY ADJACENT THE INTERFACE OF THE REGIONS WHICH ZONE HAS COOLANT VOLUME FRACTION GREATER THAN EITHER OF THE REGIONS AND A SIGNIFICANT FURTHER VOLUME FRACTION CONSTITUTED BY METAL WHICH, AT LEAST PREDOMINANTLY, IS ZIRCONIUM.
Claim 2
Dependent Claim
67 words
A FAST NUCLEAR REACTOR COOLED BY SUPERCRITICALLY PRESSURISED AQUEOUS COOLANT AND COMPRISING A FAST FUEL REGION, AN ENCIRCLING REGION HAVING A HIGHER PROPORTION OF FERTILE TO FISSILE MATERIAL, AND A ZONE EXTENDING SUBSTANTIALLY UNINTERRUPTEDLY ADJACENT THE INTERFACE OF THE REGIONS WHICH ZONE HAS COOLANT VOLUME FRACTION GREATER THAN EITHER OF THE REGIONS AND A SIGNIFICANT FURTHER VOLUME FRACTION CONSTITUTED BY METAL WHICH, AT LEAST PREDOMINANTLY, IS ZIRCONIUM.
References Cited (Backward Citations)
US3140237A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |