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Expired Canadian patentCanada

A container for product with less packaging material

CA 2544044 C · Owner: Denis, Gerard · Inventors: Contal, Alain; Roulin, Anne; Durand, Cyrille

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The invention concerns a container comprising a body (1) formed by walls (2) and a bottom (3), having in his greater section a dimension d1 and a neck (4) with an internal diameter d2 , said container being made from a semicrystalline PET, the body of said container comprising at its bottom at least three feet spaced from each other and being integral with said body wherein for the body, the ratio weight of the walls on weight of the bottom is comprised between 3 and 4 and wherein the ratio volume of the body of the container, expressed in ml, per gram of PET of the body is comprised between 80 and 120.

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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 October 15, 2004 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 15, 2024.
  • 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.
FiledOctober 15, 2004
GrantedMay 22, 2012
Term endedOctober 15, 2024
Patent numberCA 2544044 C
Classification (IPC)B65D1/02

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedOct 15, 2004Patent grantedMay 22, 2012Term endedOct 15, 2024

Sources & verification

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