Patent US3121052A successfully refreshed from Google Patents.
US3121052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calandria type sodium graphite reactor
Assignee: Individual
•
Filing: 1958-08-18
•
Granted: 1964-02-11
•
Expires: 1978-08-18
Abstract
No abstract record available.
Inventors
- 👤 Robert M Peterson
- 👤 Mahlmeister James Earl
- 👤 Norris E Vaughn
- 👤 Wendell J Sanders
- 👤 Ardell C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:19
CPC Classifications
G; G21; G21C; G21C13/00; G21C13/02; G21C13/04; G21C1/00; G21C1/04; G21C1/06; G21C1/14; G21C1/16; G21C15/00; G21C15/02; G21C15/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A SODIUM GRAPHITE REACTOR CORE STRUCTURE COMPRISING A CORE TANK, UNCLAD GRAPHITE MODERATOR DISPOSED IN SAID TANK, A PLURALITY OF PARALLEL, LONGITUDINAL PROCESS CHANNELS IN SAID GRAPHITE, PROCESS TUBES TRAVERSING SAID CORE TANK POSITIONED IN SAID PROCESS CHANNELS, MEANS FOR SEALING SAID TUBES AT THEIR ENDS TO SAID CORE TANK, SAID TUBES BEING ADAPTED FOR THE PASSAGE OF SODIUM THERETHROUGH, A PROTECTIVE SLEEVE POSITIONED AROUND EACH PROCESS TUBE AND BETWEEN EACH OF SAID TUBES AND SAID GRAPHITE, SAID PROCESS TUBES AND SAID SLEEVES DEFINING ANNULAR SPACES, FUEL ELEMENTS POSITIONED IN SAID PROCESS TUBES, A SODIUM COOLANT SURROUNDING SAID CORE TANK AND FILLING SAID PROCESS TUBES, THE BOTTOM PORTIONS OF SAID GRAPHITE AND OF SAID CORE TANK DEFINING A LEAKAGE PLENUM, SAID ANNULI COMMUNICATING WITH SAID PLENUM, AND MEANS FOR REMOVEING SODIUM LEAKAGE FROM SAID PLENUM.
Claim 2
Dependent Claim
135 words
A SODIUM GRAPHITE REACTOR CORE STRUCTURE COMPRISING A CORE TANK, UNCLAD GRAPHITE MODERATOR DISPOSED IN SAID TANK, A PLURALITY OF PARALLEL, LONGITUDINAL PROCESS CHANNELS IN SAID GRAPHITE, PROCESS TUBES TRAVERSING SAID CORE TANK POSITIONED IN SAID PROCESS CHANNELS, MEANS FOR SEALING SAID TUBES AT THEIR ENDS TO SAID CORE TANK, SAID TUBES BEING ADAPTED FOR THE PASSAGE OF SODIUM THERETHROUGH, A PROTECTIVE SLEEVE POSITIONED AROUND EACH PROCESS TUBE AND BETWEEN EACH OF SAID TUBES AND SAID GRAPHITE, SAID PROCESS TUBES AND SAID SLEEVES DEFINING ANNULAR SPACES, FUEL ELEMENTS POSITIONED IN SAID PROCESS TUBES, A SODIUM COOLANT SURROUNDING SAID CORE TANK AND FILLING SAID PROCESS TUBES, THE BOTTOM PORTIONS OF SAID GRAPHITE AND OF SAID CORE TANK DEFINING A LEAKAGE PLENUM, SAID ANNULI COMMUNICATING WITH SAID PLENUM, AND MEANS FOR REMOVEING SODIUM LEAKAGE FROM SAID PLENUM.
References Cited (Backward Citations)
US2743224A
Cited
US2863815A
Cited
GB754183A
Cited
US2915446A
Cited
US2929768A
Cited
US2961393A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |