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Patent US3336203A successfully refreshed from Google Patents.
US3336203A
Expired / Lapsed
US
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Core vessel of a pebble-bed nuclear reactor
Assignee: BROWN BOVERI KRUPP REACTORBAU
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Filing: 1965-09-07
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Granted: 1967-08-15
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Rausch Wilfried
- 👤 Decken Claus-Benedikt Von Der
- 👤 Huhndorf-Richter Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:40
CPC Classifications
G; G21; G21C; G21C1/00; G21C1/04; G21C1/06; G21C1/07; G21C13/00; G21C13/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A PEBBLE-BED NUCLEAR REACTOR HAVING A BED OF REGULARLY SHAPED FUEL ELEMENTS, THE ARRANGEMENT WHICH COMPRISES A REACTOR CORE VESSEL THROUGH WHICH THE FUEL ELEMENTS ARE TO BE CIRCULATED, SAID VESSEL HAVING A SUBSTANTIALLY CYLINDRICAL UPPER INSIDE WALL PORTION, THE CYLINDRICAL AXIS OF WHICH IS PARALLEL TO THE DIRECTION IN WHICH THE FUEL ELEMENTS ARE TO BE CIRCULATED, SAID INSIDE WALL PORTION HAVING A PLURALITY OF AXIALLY DISPLACED ROWS OF GUIDE SURFACE DISPOSED THEREON, EACH OF SAID ROWS BEING CONSTITUTED BY A PLURALITY OF SAID GUIDE SURFACES EQUISPACED AROUND THE PERIPHERY OF SAID WALL PORTION AND EACH OF SAID GUIDE SURFACES LYING AT AN ACUTE ANGEL WITH RESPECT TO THE CYLINDRICAL AXIS.
Claim 2
Dependent Claim
113 words
IN A PEBBLE-BED NUCLEAR REACTOR HAVING A BED OF REGULARLY SHAPED FUEL ELEMENTS, THE ARRANGEMENT WHICH COMPRISES A REACTOR CORE VESSEL THROUGH WHICH THE FUEL ELEMENTS ARE TO BE CIRCULATED, SAID VESSEL HAVING A SUBSTANTIALLY CYLINDRICAL UPPER INSIDE WALL PORTION, THE CYLINDRICAL AXIS OF WHICH IS PARALLEL TO THE DIRECTION IN WHICH THE FUEL ELEMENTS ARE TO BE CIRCULATED, SAID INSIDE WALL PORTION HAVING A PLURALITY OF AXIALLY DISPLACED ROWS OF GUIDE SURFACE DISPOSED THEREON, EACH OF SAID ROWS BEING CONSTITUTED BY A PLURALITY OF SAID GUIDE SURFACES EQUISPACED AROUND THE PERIPHERY OF SAID WALL PORTION AND EACH OF SAID GUIDE SURFACES LYING AT AN ACUTE ANGEL WITH RESPECT TO THE CYLINDRICAL AXIS.
References Cited (Backward Citations)
GB414609A
Cited
US2756909A
Cited
US3092562A
Cited
US2994651A
Cited
US3244597A
Cited
GB894903A
Cited
US3136700A
Cited
US3140235A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |