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Expired Canadian patentCanada

Method and apparatus for providing patterning instructions in a knitting machine

CA 1069325 A · Owner: Silver Seiko Ltd. · Inventors: Kamikura, Shigeo; Kagaya, Yutaka; Uemura, Kensuke

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

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Abstract From the Canadian patent

A method and apparatus for providing patterning instructions in a knitting machine by reading a program carrier and converting the readings to digital signals to be stored in a memory means. A manually operable member cooperating with the reading means allows the instructions to be recalled from memory to be selectively determined for controlling for the knitting operation.

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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 1997.
  • 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—
GrantedJanuary 8, 1980
Term endedJanuary 8, 1997
Patent numberCA 1069325 A
Classification (IPC)D04B7/00 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJan 8, 1980Term endedJan 8, 1997

Sources & verification

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