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Expired Canadian patentCanada

Nozzle having a nozzle body with heated and unheated nozzle body segments

CA 2503665 C · Owner: Tabassi, Payman · Inventors: Colonico, Gino; Fairy, Fabrice; Tabassi, Payman

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

A nozzle for an injection molding apparatus includes a nozzle body having a first nozzle body segment a second nozzle body segment and a third nozzle body segment. The second nozzle body segment is removably connected to at least one of the first nozzle body segment and the third nozzle body segment. The first nozzle body segment and the third nozzle body segment are heated either by first aid second nozzle heaters respectively, or by a heater sleeve having a cut-out along the length of the second nozzle body segment. The second nozzle body segment is substantially devoid of a nozzle heater such that the second nozzle body segment is heated passively through contact with the first nozzle …

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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 5, 2005 and granted July 2, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 5, 2025.
  • 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 5, 2005
GrantedJuly 2, 2013
Term endedApril 5, 2025
Patent numberCA 2503665 C
Classification (IPC)B29C45/03 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 5, 2005Patent grantedJuly 2, 2013Term endedApril 5, 2025

Sources & verification

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