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Expired Canadian patentCanada

Gas ionizing electrodes for mhd generator

CA 1058675 A · Owner: Reynolds Metals Company · Inventors: Dooley, Milton T.

CIPO record

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

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Abstract From the Canadian patent

The invention relates to a MHD system having an electrode assembly for connecting the system to a load and, duct means for passing a main plasma stream adjacent to the electrode assembly. The electrode assembly includes a first elongated electrode having first and second ends located adjacent the plasma stream. A second elongated electrode has a first end adjacent the first end of the first electrode and a second end adjacent the second end of the first electrode, the second electrode being spaced from the first electrode. The system also includes a passage for passing a gas through the space between the first and second electrodes and an exit for permitting the gas to exit between the …

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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 July 17, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 17, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 17, 1979
Term endedJuly 17, 1996
Patent numberCA 1058675 A
Classification (IPC)H02K44/00 +2 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 17, 1979Term endedJuly 17, 1996

Sources & verification

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