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Expired Canadian patentCanada

Coated sutures exhibiting improved knot security

CA 1298159 C · Owner: Japan Medical Supply Co. Ltd. · Inventors: Matsuda, Takashi; Kawai, Tatsuya; Yoshimoto, Michiaki

CIPO record

Overview

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

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Abstract From the Canadian patent

Braided multifilament sutures exhibiting excellent tie-down performance and knot security are provided. The sutures of the invention comprise synthetic, textured braided sutures coated with a coating composition for lubricating the sutures. 13

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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 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 2009.
  • 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 28, 1989
GrantedMarch 31, 1992
Term endedMarch 31, 2009
Patent numberCA 1298159 C
Classification (IPC)A61L17/00 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedFeb 28, 1989Patent grantedMarch 31, 1992Term endedMarch 31, 2009

Sources & verification

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