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Expired Canadian patentCanada

Stator coil of a high-voltage generator

CA 1163301 A · Owner: Vsesojuzny Proektno-Izyskatelsky I Nauchno-Issledovatelsky Institut "Groproekt" Imeni S. Ya. Zhuka · Inventors: Nikolsky, Alexandr I.; Mosolov, Sergei S.; Nemeni, Tibor M.

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 stator coil of a high-voltage generator comprises an electrical lead-in of conductive material turns of conductive material coated with layers of turn- -to-turn insulation with a screen layer. The electrical lead-in is fashioned as a tube. The stator coil of a high-voltage generator further comprises cooling pipes adjoining the turns and having side openings and insu-, lating members. Each insulating member consists of two parts made integral with each other. A portion of the first part, facing the coil turns, has two projections with holes communicating with the side openings in the cooling pipes. The insulating member is provided with passages communicated with spaces in 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 March 6, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2001.
  • 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 7, 1981
GrantedMarch 6, 1984
Term endedMarch 6, 2001
Patent numberCA 1163301 A
Classification (IPC)H02K3/40 +2 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedJuly 7, 1981Patent grantedMarch 6, 1984Term endedMarch 6, 2001

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