US3746618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor fuel element spacer assembly
Assignee: Consolidation Coal Co
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Filing: 1970-06-01
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Granted: 1973-07-17
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Expires: 1990-06-01
Abstract
Abstract A nuclear reactor fuel element spacer arrangement having a fuel element supporting and spacing means in the form of spacer tubes mounted on tie rods or bars secured to a resilient supporting sleeve with the tie rods in tension.the spaces between the spacer tubes are such that the fuel elements are gripped between adjacent spacer tubes or between spacer tubes and portions of the sleeve. The arrangement facilitates loading of the fuel elements and minimizes scratching of the fuel elements.
Inventors
- 👤 S Nakazato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:44
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/34; G21C3/334; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
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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) | 1976-07-16 | 1977-01-15 | 1977-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-16 | 1981-01-15 | 1981-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-16 | 1985-01-15 | 1985-07-17 | $7700.00 | Window Closed / Lapsed |