US3677894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Internally pressurized fuel element
Assignee: Westinghouse Electric Corp
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Filing: 1969-08-14
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Granted: 1972-07-18
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Expires: 1989-08-14
Abstract
Abstract A FUEL ELEMENT FOR A PRESSURIZED NUCLEAR REACTOR COMPRISING A SEALED CLADDING CASE, NUCLEAR FUEL THEREIN AND MEANS FOR PRODUCING AND INTERNALLY PRESSURIZED ATMOSPHERE SO THAT THE FUEL ELEMENT IS FREE STANDING, AND CHARACTERIZED BY METAL WALL CLADDING HAVING A REDUCED THICKNESS FOR CONDITIONS OF REACTOR USE.
Inventors
- 👤 Harry M Ferrari
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:19
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/02; G21C3/04; G21C3/16; G21C3/17; G21C3/18; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-18 | 1976-01-17 | 1976-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-18 | 1980-01-17 | 1980-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-18 | 1984-01-17 | 1984-07-18 | $7700.00 | Window Closed / Lapsed |