US3356584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel pellet for nuclear reactor
Assignee: Individual
•
Filing: 1966-11-18
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Granted: 1967-12-05
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Expires: 1986-11-18
Abstract
No abstract record available.
Inventors
- 👤 Carl E Ockert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:02
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/02; G21C3/04; G21C3/16; G21C3/28; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
AN IMPROVED CERAMIC FUEL PELLET FOR USE IN A RODTYPE NUCLEAR REACTOR FUEL ELEMENT, WHEREIN SAID CERAMIC FUEL PELLET IS DISPOSED WITHIN A TUBULAR CLADDING, COMPRISING: A NUCLEAR FUEL PELLET HAVING A GENERALLY CYLINDRICAL EXTERNAL LATERAL SURFACE, SAID FUEL PELLET HAVING A PLURALITY OF LONGITUDINAL SLOTS IN SAID EXTERNAL LATERAL SURFACE, THE DEPTH OF EACH OF SAID SLOTS BEING SUBSTANTIALLY GREATER THAN ITS WIDTH, SAID SLOTS HAVING ROUNDED ROOT PORTIONS TO MINIMIZE CRACK FORMATION IN SAID FUEL PELLET DUE TO SAID SLOTS, SAID SLOTS PROVIDING EXPANSION ROOM FOR THE PELLET GROWTH AND THEREBY REDUCING THE TENSIL HOOP STRESSES INDUCED IN SAID CLADDING BY SAID PELLET.
Claim 2
Dependent Claim
105 words
AN IMPROVED CERAMIC FUEL PELLET FOR USE IN A RODTYPE NUCLEAR REACTOR FUEL ELEMENT, WHEREIN SAID CERAMIC FUEL PELLET IS DISPOSED WITHIN A TUBULAR CLADDING, COMPRISING: A NUCLEAR FUEL PELLET HAVING A GENERALLY CYLINDRICAL EXTERNAL LATERAL SURFACE, SAID FUEL PELLET HAVING A PLURALITY OF LONGITUDINAL SLOTS IN SAID EXTERNAL LATERAL SURFACE, THE DEPTH OF EACH OF SAID SLOTS BEING SUBSTANTIALLY GREATER THAN ITS WIDTH, SAID SLOTS HAVING ROUNDED ROOT PORTIONS TO MINIMIZE CRACK FORMATION IN SAID FUEL PELLET DUE TO SAID SLOTS, SAID SLOTS PROVIDING EXPANSION ROOM FOR THE PELLET GROWTH AND THEREBY REDUCING THE TENSIL HOOP STRESSES INDUCED IN SAID CLADDING BY SAID PELLET.
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) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |