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Canadian application, no grantCanada

A winding in an electric machine with stationary parts

CA 2276352 A1 · Owner: Fromm, Udo · Inventors: Leijon, Mats; Ming, Li; Sasse, Christian

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

A winding (13) in an electric machine with stationary parts consists of highvoltage cable (1) and is in the form of prefabricated drums (15) onto which the cable (1) forming the winding is wound. The drums (15) are mounted in the machine on site.

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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

  • Filed February 2, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 2, 2018.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 2, 2020.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 2, 1998
GrantedNo grant recorded
Term endedFebruary 2, 2018
Patent numberCA 2276352 A1
Classification (IPC)H01F41/00 +2 more

Timeline

Timeline From CIPO dates

1999200120032005200720092011201320152017Application filedFeb 2, 1998Term endedFeb 2, 2018

Sources & verification

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