US3039944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel element
Assignee: Individual
•
Filing: 1959-05-13
•
Granted: 1962-06-19
•
Expires: 1979-05-13
Abstract
No abstract record available.
Inventors
- 👤 Zumwalt Lloyd Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:05
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/20; G21C21/00; G21C21/02; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
AN IMPROVED FUEL ELEMENT FOR A NEUTRONIC REACTOR, SAID FUEL ELEMENT COMPRISING A FUEL COMPACT AND A BARRIER ZONE ASSOCIATED THEREWITH AND DISPOSED ALONG THE PATH OF MIGRATION OF FISSION PRODDUCTS FROM SAID FUEL COMPACT, SAID BARRIER ZONE COMPRISING A PLURALITY OF ZIRCONIUM CARBIDE-CONTAINING REGIONS SEPARATED FROM EACH OTHER BY INTERPOSED ZIRCONIUM METAL-CONTAINING REGIONS BONDED THERETO, AND A GRAPHITE SUPPORTING STRUCTURE CONNECTED TO SAID BARRIES ZONE, SAID BARRIER ZONE BEING EFFECTIVE TO SUBSTANTIALLY RETARD THE PASSAGE OF FISSION PRODUCTS THERETHROUGH.
Claim 2
Dependent Claim
80 words
AN IMPROVED FUEL ELEMENT FOR A NEUTRONIC REACTOR, SAID FUEL ELEMENT COMPRISING A FUEL COMPACT AND A BARRIER ZONE ASSOCIATED THEREWITH AND DISPOSED ALONG THE PATH OF MIGRATION OF FISSION PRODDUCTS FROM SAID FUEL COMPACT, SAID BARRIER ZONE COMPRISING A PLURALITY OF ZIRCONIUM CARBIDE-CONTAINING REGIONS SEPARATED FROM EACH OTHER BY INTERPOSED ZIRCONIUM METAL-CONTAINING REGIONS BONDED THERETO, AND A GRAPHITE SUPPORTING STRUCTURE CONNECTED TO SAID BARRIES ZONE, SAID BARRIER ZONE BEING EFFECTIVE TO SUBSTANTIALLY RETARD THE PASSAGE OF FISSION PRODUCTS THERETHROUGH.
References Cited (Backward Citations)
US2597963A
Cited
US2907705A
Cited
US2711980A
Cited
US2788460A
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US2597964A
Cited
US2822301A
Cited
US2866724A
Cited
US2910379A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |