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Expired Canadian patentCanada

Separable portion containers

CA 2552640 C · Owner: Gpcp Ip Holdings Llc · Inventors: Hoks, Margaret P.; Van Handel, Gerald J.; Whitmore, Rebecca E.

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

A container ensemble (10) for food packaging comprising a substantially planar lid member (11) formed of a polymeric material which has a plurality of substantially planar lids which are integrally formed and separably joined to each other, each of the lids including a sealing channel (36) around its perimeter and a skirt (40) extending outwardly therefrom. The lid member is provided with tearable portions (42) to facilitate separation. The other component of the ensemble is a cup member (24) formed of a polymeric material defining a plurality of cups which are integrally formed and also separably joined to each other, the cups including a bottom a sidewall, and a brim (48) , about …

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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 January 5, 2005 and granted August 20, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 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.
FiledJanuary 5, 2005
GrantedAugust 20, 2013
Term endedJanuary 5, 2025
Patent numberCA 2552640 C
Classification (IPC)B65D1/30 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJan 5, 2005Patent grantedAug 20, 2013Term endedJan 5, 2025

Sources & verification

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