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Expired Canadian patentCanada

Method and apparatus for forming winding end turns

CA 1048243 A · Owner: General Electric Company · Inventors: Kindig, Alan L.

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

Method includes substantially independently selectively forming a number of different arcuately disposed regions of at least one end turn envelope. Apparatus includes spaced-apart activated end turn forming members that preselectively compress predetermined and spaced-apart regions of an end turn bundle to provide a final desired shape and configuration of the end turn bundle. Means are provided for quickly and reliably changing the extent to which predetermined portions of an end turn bundle is to be shaped and formed.

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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 February 13, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 13, 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—
GrantedFebruary 13, 1979
Term endedFebruary 13, 1996
Patent numberCA 1048243 A
Classification (IPC)B21D22/00 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedFeb 13, 1979Term endedFeb 13, 1996

Sources & verification

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