US2886503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jacketed fuel elements for graphite moderated reactors
Assignee: Individual
•
Filing: 1946-02-20
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Granted: 1959-05-12
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Expires: 1966-02-20
Abstract
No abstract record available.
Inventors
- 👤 Szilard Leo
- 👤 Eugene P Wigner
- 👤 Edward C Creutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:53
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/06; G21C3/10; G21C3/16; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN A NEUTRONIC REACTOR COMPRISING A GRAPHITE NEUTRON MODERATOR, BODIES OF NATURAL URANIUM SUFFICIENT IN AMOUNT TO ESTABLISH A SELF-SUSTAINING CHAIN REACTION AND BEING DISPOSED IN SAID MODERATOR, AND A WATER COOLANT IN SAID MODERATOR ADJACENT TO BUT SPACED FROM SAID NATURAL URANIUM BODIES, THE IMPROVEMENT COMPRISING A JACKET HERMETICALLY ENCLOSING THE URANIUM BODIES SO AS TO PROVIDE A BARRIER BETWEEN THE URANIUM BODIES AND THE MODERATOR AND TO PROTECT THE URANIUM BODIES FROM THE WATER COOLANT, SAID JACKET BEING OF A MATERIAL AND A THICKNESS SUCH THAT THE AGGREGATE OFTHE PRODUCTS OF THE DANGER COEFFICIENTS OF SAID MATERIAL AND ANY OTHER MATERIAL PRESENT IN THE REACTOR AND THE RELATIVE WEIGHTS THEREOF WITH RESPECT TO THE URANIUM IS NOT MORE THAN 0.1.
Claim 2
Dependent Claim
122 words
IN A NEUTRONIC REACTOR COMPRISING A GRAPHITE NEUTRON MODERATOR, BODIES OF NATURAL URANIUM SUFFICIENT IN AMOUNT TO ESTABLISH A SELF-SUSTAINING CHAIN REACTION AND BEING DISPOSED IN SAID MODERATOR, AND A WATER COOLANT IN SAID MODERATOR ADJACENT TO BUT SPACED FROM SAID NATURAL URANIUM BODIES, THE IMPROVEMENT COMPRISING A JACKET HERMETICALLY ENCLOSING THE URANIUM BODIES SO AS TO PROVIDE A BARRIER BETWEEN THE URANIUM BODIES AND THE MODERATOR AND TO PROTECT THE URANIUM BODIES FROM THE WATER COOLANT, SAID JACKET BEING OF A MATERIAL AND A THICKNESS SUCH THAT THE AGGREGATE OFTHE PRODUCTS OF THE DANGER COEFFICIENTS OF SAID MATERIAL AND ANY OTHER MATERIAL PRESENT IN THE REACTOR AND THE RELATIVE WEIGHTS THEREOF WITH RESPECT TO THE URANIUM IS NOT MORE THAN 0.1.
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) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |