US3085059A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element for nuclear reactors
Assignee: Motors Liquidation Co
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Filing: 1958-10-02
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Granted: 1963-04-09
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Expires: 1978-10-02
Abstract
No abstract record available.
Inventors
- 👤 Jr John B Burnham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:16
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
113 words
A FUEL ELEMENT FOR NUCLEAR REACTORS COMPRISING A CLOSED ELONGATED METAL CASING, A STACK OF AXIALLY ALIGNED SUBSTANTIALLY EQUALLY SIZED PELLETS OF FISSIONABLE CERAMIC MATERIAL IN SAID CASING, EACH OF SAID PELLETS HAVING A WIDTH APPROXIMATING, WIHIN NORMAL MANUFACTURING TOLERANCES, THE WIDTH OF THE INTERIOR OF SAID CASING, AND A LAYER OF VITREOUS MATERIAL BETWEEN SAID PELLETS AND SAID CASING WHERE NECESSARY TO FILL VOIDS THEREBETWEEN, SAID VITREOUS MATERIAL CONSISTING SUBSTANTIALLY OF A COMBINATION OF LOW NEUTRON CAPTURE CROSS SECTION ELEMENTS, AND HAVING THROUGHOUT THE NORMAL OPERATING TEMPERATURE RANGE OF THE FUEL ELEMENT BOTH A THICK VISCOUS CONSISTENCY AND A COEFFICIENT OF THERMAL EXPANSION BETWEEN THOSE OF THE METAL CASING AND THE PELLETS.
References Cited (Backward Citations)
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US2841545A
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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) | 1966-04-08 | 1966-10-08 | 1967-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-08 | 1970-10-08 | 1971-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-08 | 1974-10-08 | 1975-04-09 | $7700.00 | Window Closed / Lapsed |