Patent US3252867A successfully refreshed from Google Patents.
US3252867A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Long lifetime nuclear reactor
Assignee: Individual
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Filing: 1964-06-26
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Granted: 1966-05-24
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Expires: 1984-06-26
Abstract
No abstract record available.
Inventors
- 👤 George H Conley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:01
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C7/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S376/00; Y10S376/908
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A SEED-BLANKET REACTOR MODERATED BY A HYDROGENOUS MEDIUM, A CORE ARRANGEMENT HAVING AN EXTENSIVE LIFETIME, SAID REACTOR HAVING A PLURALITY OF SPACED SEED REGIONS, A BLANKET REGION SURROUNDING EACH OF SAID SEED REGIONS, SAID BLANKET REGION BEING FUELED WITH THORIUM-232 AND SAID SEED REGIONS BEING FUELED WITH URANIUM-235, SAID REACTOR HAVING A GEOMETRY WHEREIN THE MASS RATIO OF URANIUM-235 TO URANIUM-235 PLUS THORIUM232 AND THE THICKNESS OF EACH SEED ARE SELECTED FROM VALUES LYING BETWEEN THE CURVES 48 AND 36 OF FIG. 5 HEREOF AND WHEREIN SAID SEED REGIONS ARE DEPENDENTLY CRITICAL, AND SAID SEED AND BLANKET REGIONS BEING RELATIVELY POSITIONED SUCH THAT THE PEAK TO AVERAGE BLANKET BURNUP IS LESS THAN 2.5.
Claim 2
Dependent Claim
114 words
IN A SEED-BLANKET REACTOR MODERATED BY A HYDROGENOUS MEDIUM, A CORE ARRANGEMENT HAVING AN EXTENSIVE LIFETIME, SAID REACTOR HAVING A PLURALITY OF SPACED SEED REGIONS, A BLANKET REGION SURROUNDING EACH OF SAID SEED REGIONS, SAID BLANKET REGION BEING FUELED WITH THORIUM-232 AND SAID SEED REGIONS BEING FUELED WITH URANIUM-235, SAID REACTOR HAVING A GEOMETRY WHEREIN THE MASS RATIO OF URANIUM-235 TO URANIUM-235 PLUS THORIUM232 AND THE THICKNESS OF EACH SEED ARE SELECTED FROM VALUES LYING BETWEEN THE CURVES 48 AND 36 OF FIG. 5 HEREOF AND WHEREIN SAID SEED REGIONS ARE DEPENDENTLY CRITICAL, AND SAID SEED AND BLANKET REGIONS BEING RELATIVELY POSITIONED SUCH THAT THE PEAK TO AVERAGE BLANKET BURNUP IS LESS THAN 2.5.
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) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |