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Expired Canadian patentCanada

Method for forming a joint between a product formed of composite material, said joint, and said connecting piece for forming said joint

CA 1312103 C · Owner: Kivi, Ilkka · Inventors: Manner, Tapio; Terava, Jorma; Kivi, Ilkka

CIPO record

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Abstract From the Canadian patent

A method for forming a joint between a product formed of composite material including reinforcing fibers and a connecting piece includes forming the connecting piece with a shoulder within joint region thereof and during the formation of the product guiding the longitudinally extending reinforcing fibers of the composite material as continuous, unitary fibers through a first path within the joint region of the connecting piece toward the connecting piece shoulder, around the shoulder of the connecting piece, and then in a substantially opposite direction through second path within the joint region of the connecting piece to return to the composite material of the product whereby both the, …

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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 December 29, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 29, 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.
FiledOctober 14, 1988
GrantedDecember 29, 1992
Term endedDecember 29, 2009
Patent numberCA 1312103 C
Classification (IPC)F16L39/00 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedOct 14, 1988Patent grantedDec 29, 1992Term endedDec 29, 2009

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