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Expired Canadian patentCanada

Apparatus for defuelling a nuclear reactor

CA 1319765 C · Owner: Henry, Patrick Thomas · Inventors: Henry, Patrick Thomas; Cashen, William Stephen

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Abstract From the Canadian patent

Case 2989, APPARATUS FOR DEFUELLING A NUCLEAR REACTOR ABSTRACT OF THE DISCLOSURE, A defuelling arrangement for removing fuel bundles from the upstream end of a nuclear reactor has, a defuelling machine at the upstream end with an arm that can be positioned in axial alignment with a fuel channel in the reactor which has fuel bundles to be removed. The arm is capable of axial movement. A fuel grapple is positioned in alignment with the arm and has at one end a plurality of fingers for grappling a fuel bundle and at the other end a mushroom shaped spigot. The arm has mounted on the end a defuelling ram head which has at least two ram head latches mounted for pivotal movement in a plane at …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted June 29, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 29, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 19, 1988
GrantedJune 29, 1993
Term endedJune 29, 2010
Patent numberCA 1319765 C
Classification (IPC)G21C19/19 +1 more

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedMay 19, 1988Patent grantedJune 29, 1993Term endedJune 29, 2010

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.