US3743578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for attaching nuclear fuel pins in an assembly
Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1970-09-14
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Granted: 1973-07-03
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Expires: 1990-09-14
Abstract
Abstract A FUEL ASSEMBLY COMPRISES A BUNDLE OF FUEL PINS GROUPED CONTIGUOUSLY IN A REGULAR PATTERN AND A SHROUD. A DEVICE FOR RETAINING THE FUEL PINS COMPRISES TWO PARALLEL SPINDLES ATTACHED TO THE SHROUD AND DISPOSED TRANSVERSELY OF THE DIRECTION OF CIRCULATION OF THE COOLANT AND PARALLEL RAILS DISPOSED PERPENDICULARLY TO THE SPINDLERS AND SLIDING THEREON AND IN THE PLUGS OF A LAYER OF PINS.
Inventors
- 👤 J Agrainer
- 👤 A Cayol
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:45
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/30; G21C3/32; G21C3/02; G21C3/04; G21C3/06; G21C3/12; G21C3/33; G21C3/334; 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) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |