Patent US3671394A successfully refreshed from Google Patents.
US3671394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Articulated fuel element housing
Assignee: Boeing North American Inc
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Filing: 1969-12-29
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Granted: 1972-06-20
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Expires: 1989-12-29
Abstract
Abstract An articulating ball joint integral with and near the base of a plurality of nuclear reactor fuel elements to compensate for bowing distortions and stresses caused by an adverse thermal environment within the core of a reactor which allows for a slight misalignment minimizing component stresses in the housing of each of the fuel elements.
Inventors
- 👤 Louis Bernath
- 👤 Joseph V Facha
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:10
CPC Classifications
G; G21; G21C; G21C5/00; G21C5/02; G21C5/06; 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) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |