Patent US3284314A successfully refreshed from Google Patents.
US3284314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel material for nuclear reactors and process and apparatus for its manufacture
Assignee: Nukem GmbH
•
Filing: 1964-09-04
•
Granted: 1966-11-08
•
Expires: 1984-09-04
Abstract
No abstract record available.
Inventors
- 👤 Rachor Lothar
- 👤 Lotz Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:26
CPC Classifications
G; G21; G21C; G21C21/00; G21C21/02; B; B23; B23B; B23B5/00; B23B5/36; B23B5/40; G21C3/00; G21C3/02; G21C3/04; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
FUEL ELEMENT FOR NUCLEAR REACTORS COMPRISING A SUBSTANTIALLY SPHERICAL ONE-PIECE GRAPHITE SHELL HAVING A HOLLOW THEREIN WITH AN INNER WALL, AT LEAST ONE NUCLEAR MATERIAL SELECTED FROM THE GROUP CONSISTING OF FUEL AND BREEDER MATERIALS FORMING A LAYER ON SAID INNER WALL OF SUBSTANTIALLY LESS THICKNESS THAN THE DIAMETER OF SAID HOLLOW, AND A NEUTRON-FAVORABLE HIGH-TEMPERATURE-RESITANT SUBSTANCE FILLING THE HOLLOW WITHIN SAID LAYER, SAID SHELL HAVING A FILLING OPENING WHICH AT ITS WIDEST EXTENT IS OF SUBSTANTIALLY LESS CROSS-SECTION THAN THE CROSS-SECTION OF THE HOLLOW.
Claim 2
Dependent Claim
85 words
FUEL ELEMENT FOR NUCLEAR REACTORS COMPRISING A SUBSTANTIALLY SPHERICAL ONE-PIECE GRAPHITE SHELL HAVING A HOLLOW THEREIN WITH AN INNER WALL, AT LEAST ONE NUCLEAR MATERIAL SELECTED FROM THE GROUP CONSISTING OF FUEL AND BREEDER MATERIALS FORMING A LAYER ON SAID INNER WALL OF SUBSTANTIALLY LESS THICKNESS THAN THE DIAMETER OF SAID HOLLOW, AND A NEUTRON-FAVORABLE HIGH-TEMPERATURE-RESITANT SUBSTANCE FILLING THE HOLLOW WITHIN SAID LAYER, SAID SHELL HAVING A FILLING OPENING WHICH AT ITS WIDEST EXTENT IS OF SUBSTANTIALLY LESS CROSS-SECTION THAN THE CROSS-SECTION OF THE HOLLOW.
References Cited (Backward Citations)
CA621315A
Cited
US2325437A
Cited
US2419534A
Cited
US2990351A
Cited
US2991601A
Cited
US3142626A
Cited
US3081249A
Cited
US3098809A
Cited
US3079316A
Cited
US3043761A
Cited
US3166614A
Cited
FR1318135A
Cited
US3158547A
Cited
US3135665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |