US3567578A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nuclear reactor installation
Assignee: Atomic Energy of Canada Ltd AECL
•
Filing: 1968-04-15
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Granted: 1971-03-02
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Expires: 1988-04-15
Abstract
Abstract A FUELLING MACHINE HEAD COMPRISES AN END WALL WITH A SNOUT FOR CONNECTING REACTOR FUEL CHANNELS AND REPLENISHMENT FUEL TRANSFER CHANNELS, A SKIRT PORTION, AND A TURRET ROTATABLY MOUNTED IN THE SKIRT PORTION FOR SUPPORTING A NUMBER OF TUBES AND ALIGNING THEM WITH THE SNOUT. THE TUBES SERVE SNUGLY TO RECEIVE USED AND FRESH FUEL STRINGS AND A PLUG CLOSING THE CHANNELS. A FLUID PRESSURE-TIGHT SEAL IS DISPOSED BETWEEN THE TURRET AND THE END WALL SO THAT THE SPACE DEFINED WITHIN THE TURRET IS SMALL IN COMPARISON WITH THE VOLUME OF THE TUBES.
Inventors
- 👤 Peter Isaac
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:00
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/02; G21C19/18; G21C19/20; 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) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |