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US3567580A 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
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Abstract

Abstract EACH FUEL AGGREGATE USED FOR FUELLING THE REACTOR IS DIVIDED INTO TWO PORTIONS BETWEEN WHICH A COUPLING IS PROVIDED. DURING THE PROCEDURES OF LOADING AND UNLOADING SUCH FUEL AGGREGATE INTO AND FROM A SELECTED REACTOR CHANNEL BY MEANS OF A FUELLING MACHINE, THE COUPLING IS DISENGAGED AND THE TWO PORTIONS ARE HANDLED SEPARATELY AND SEQUENTIALLY. LOCKIN GMEANS ARE PROVIDED FOR DEFINING A PREDETERMINED POSITION OF THE PORTION IN THE FUELLING MACHINE HEAD SUCH THAT PROPER ENGAGEMENT AND DISENGAGEMENT OF THE COUPLING WILL BE INSURED. THIS LOCKING MEANS INCLUDES A DISC-SHAPED FLANGE FORMED ON THAT PORTION OF THE FUEL AGGREGATE, WHICH IS FIRST INSERTED INTO AND LAST WITHDRAWN FROM THE CHANNEL, AND STOP MEANS MOUNTED IN THE FUELLING MACHINE FOR ENGAGING THE FLANGE IN A PINCERLIKE MANNER.

Inventors

  • 👤 Roy K Nakagawa
  • 👤 Peter Hubler
  • 👤 Peter Isaac

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 08:14
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/02; G21C13/00; G21C13/02; G21C13/06; G21C13/067; G21C19/18; Y; Y02; Y02E; Y02E30/00; Y02E30/30

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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

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