US3287227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactors
Assignee: United Kingdom Atomic Energy Authority
•
Filing: 1965-06-11
•
Granted: 1966-11-22
•
Expires: 1985-06-11
Abstract
No abstract record available.
Inventors
- 👤 Ackroyd Ronald Tunstall
- 👤 Perks Maurice Arthur
- 👤 Mann John Erskine
- 👤 Barker Allan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:59
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/02; G21C1/028; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A FAST NUCLEAR REACTOR HAVING A CORE WHICH IS COOLED BY SUPERCRITICALLY PRESSURISED AQUEOUS COOLANT AND WHICH HAS EPITHERMAL NEUTRON ABSORBER FOR COUNTERACTING REACTIVITY GAIN ON FLOODING, CHARACTERISED IN THAT THE EPITHERMAL ABSORBER IS CONCENTRATED IN A PART OF THE CORE WHERE IN NORMAL OPERATION THE COOLANT DENISTY IS LESS THAN ELSEWHERE IN THE CORE.
Claim 2
Dependent Claim
55 words
A FAST NUCLEAR REACTOR HAVING A CORE WHICH IS COOLED BY SUPERCRITICALLY PRESSURISED AQUEOUS COOLANT AND WHICH HAS EPITHERMAL NEUTRON ABSORBER FOR COUNTERACTING REACTIVITY GAIN ON FLOODING, CHARACTERISED IN THAT THE EPITHERMAL ABSORBER IS CONCENTRATED IN A PART OF THE CORE WHERE IN NORMAL OPERATION THE COOLANT DENISTY IS LESS THAN ELSEWHERE IN THE CORE.
References Cited (Backward Citations)
US3205139A
Cited
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 |