US3287225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactors
Assignee: United Kingdom Atomic Energy Authority
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Filing: 1965-06-02
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Granted: 1966-11-22
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Expires: 1985-06-02
Abstract
No abstract record available.
Inventors
- 👤 Ackroyd Ronald Tunstall
- 👤 Barker Allan
- 👤 Mann John Erskine
- 👤 Perks Maurice Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:37
CPC Classifications
G; G21; G21C; G21C7/00; G21C7/28; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
IN A NUCLEAR REACTOR HAVING A CORE, THE COMBINATION COMPRISING WALLING AROUND SAID CORE TO FORM A COMPARTMENT FOR HOLDING A MASS OF LIQUID REFLECTOR IN A LAYER SURROUNDING SUBSTANTIALLY CONTINUOUSLY THE RADIAL PERIPHERY OF SAID CORE, MEANS FOR THE CHARGING OF LIQUID REFLECTOR INTO THE COMPARTMENT, SOLID RELECTOR MATERIAL ADAPTED TO OCCUPY SELECTIVELY EITHER ONE OF TWO POSITIONS IN THE COMPARTMANE, SAID MATERIAL IN A FIRST ONE OF SAID POSITIONS DISPLACING LIQUID REFLECTOR IN THE COMPARTMENT FROM AN INWARD LAYER SURROUNDING SUBSTANTIALY CONTINUOUSLY THE RADIAL PERIPHERY OF SAID CORE AND IN THE SECOND POSITION DISPLACING LIQUID REFLECTOR IN THE COMPARTMENT FROM A LAYER LIKEWISE SURROUNDING SUBSTANTIALLY CONTINUOUSLY THE RADIAL PERIPHERY OF SAID CORE BUT OUTWARD OF SAID INWARD LAYER, AND MEANS FOR DRIVING THE SOLID REFLECTOR MATERIAL TO SAID POSITIONS.
Claim 2
Dependent Claim
131 words
IN A NUCLEAR REACTOR HAVING A CORE, THE COMBINATION COMPRISING WALLING AROUND SAID CORE TO FORM A COMPARTMENT FOR HOLDING A MASS OF LIQUID REFLECTOR IN A LAYER SURROUNDING SUBSTANTIALLY CONTINUOUSLY THE RADIAL PERIPHERY OF SAID CORE, MEANS FOR THE CHARGING OF LIQUID REFLECTOR INTO THE COMPARTMENT, SOLID RELECTOR MATERIAL ADAPTED TO OCCUPY SELECTIVELY EITHER ONE OF TWO POSITIONS IN THE COMPARTMANE, SAID MATERIAL IN A FIRST ONE OF SAID POSITIONS DISPLACING LIQUID REFLECTOR IN THE COMPARTMENT FROM AN INWARD LAYER SURROUNDING SUBSTANTIALY CONTINUOUSLY THE RADIAL PERIPHERY OF SAID CORE AND IN THE SECOND POSITION DISPLACING LIQUID REFLECTOR IN THE COMPARTMENT FROM A LAYER LIKEWISE SURROUNDING SUBSTANTIALLY CONTINUOUSLY THE RADIAL PERIPHERY OF SAID CORE BUT OUTWARD OF SAID INWARD LAYER, AND MEANS FOR DRIVING THE SOLID REFLECTOR MATERIAL TO SAID POSITIONS.
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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |