US3290223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated nuclear reactor fuel particle of uo2 and method of making the same
Assignee: Individual
•
Filing: 1963-11-12
•
Granted: 1966-12-06
•
Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Jr John M Blocher
- 👤 Melvin F Browning
- 👤 Russell W Dayton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:34
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/626; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A FISSION-PRODUCT-RESTRAINING NUCLEAR REACTOR FUEL PARTICLE CONSISTING OF A CORE OF UO2, A LAYER OF BEO ON THE CORE, A LAYER OF LAMINAR PYROLYTIC CARBON ON THE LAYER OF BEO, AND A LAYER OF AL2O3 ON THE LAYER OF PYROLYTIC CARBON.
Claim 2
Dependent Claim
41 words
A FISSION-PRODUCT-RESTRAINING NUCLEAR REACTOR FUEL PARTICLE CONSISTING OF A CORE OF UO2, A LAYER OF BEO ON THE CORE, A LAYER OF LAMINAR PYROLYTIC CARBON ON THE LAYER OF BEO, AND A LAYER OF AL2O3 ON THE LAYER OF PYROLYTIC CARBON.
References Cited (Backward Citations)
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Cited
US2987417A
Cited
GB933500A
Cited
US3161701A
Cited
US3151037A
Cited
US3121047A
Cited
US3122595A
Cited
US3247008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |