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Expired Canadian patentCanada

Method and apparatus for storing hydrogen isotopes

CA 1201277 A · Owner: United States Of America (Government Of The) United States Department Of Energy · Inventors: Sherman, Robert H.; Cullingford, Hatice S.; Wheeler, Michael G.

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An improved method and apparatus for storing isotopes of hydrogen (especially tritium) are provided. The hydrogen gas(es) is (are) stored as hydrides of material (for example uranium) within boreholes in a block of copper. The mass of the block is critically important to the operation, as is the selection of copper, because no cooling pipes are used. Because no cooling pipes are used there, can be no failure due to cooling pipes. And because copper is used instead of stainless steel a significantly, higher temperature can be reached before the eutectic formation of uranium with copper occurs, (the eutectic of uranium with the iron in stainless steel forming at a significantly lower …

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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 March 4, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 26, 1983
GrantedMarch 4, 1986
Term endedMarch 4, 2003
Patent numberCA 1201277 A
Classification (IPC)F17C11/00 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 26, 1983Patent grantedMarch 4, 1986Term endedMarch 4, 2003

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