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 05:13
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)
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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 |