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Expired Canadian patentCanada

Material to be injection molded, process thereof, and use therefore

CA 2604500 C · Owner: Boemer Jr. Reynaldo · Inventors: Miranda, Mario Donizete; Nascimento, Jefter Fernandes; Boemer Jr. Reynaldo

CIPO record

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Abstract From the Canadian patent

The present invention refers to an adequate composite material to be prepared by an injection process and to an injection process of a composite material. In accordance with the process of the present invention the composite , material is prepared by carrying out the steps of (i) making the length of the natural fibers uniform; (ii) treating the surface of the natural fibers and of the lignocellulosic residues, if present; (iii) premixing the components of the composite; (iv) extruding and granulating the composite material; and (v) injection molding the material of the composite for the conformation of the parts.

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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

  • Filed April 13, 2006 and granted March 11, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 13, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 13, 2006
GrantedMarch 11, 2014
Term endedApril 13, 2026
Patent numberCA 2604500 C
Classification (IPC)B29B9/14 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedApril 13, 2006Patent grantedMarch 11, 2014Term endedApril 13, 2026

Sources & verification

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