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Expired Canadian patentCanada

Injection molding of a thin-walled elongated tubular product such as a catheter

CA 1313005 C · Owner: Mcfarlane, Richard H. · Inventors: Mcfarlane, Richard H.

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

MO/4.206-A, INJECTION MOLDING OF A THIN-WALLED ELONGATED TUBULAR PRODUCT SUCH AS A CATHETER, Abstract of the Disclosure The injection molding of an elongated thin-walled tubular product such as a medical catheter is accomplished through the mounting of an elongated core pin on the interior of an elongated mold cavity wherein tension is continuously applied to the core pin for the purpose of maintaining it in a predetermined substantially centered relation to the mold cavity and further maintaining a straight line configuration of the core pin along its length. The plastic material from which the product is formed is introduced into the mold cavity while at the same time overcoming any …

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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 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 26, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 21, 1989
GrantedJanuary 26, 1993
Term endedJanuary 26, 2010
Patent numberCA 1313005 C
Classification (IPC)B29C45/36

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedJune 21, 1989Patent grantedJan 26, 1993Term endedJan 26, 2010

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