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Expired Canadian patentCanada

Container having a mouth, such container provided with a metal cap and metal cap for closing such container

CA 1050928 A · Owner: Thomassen And Drijver-Verblifa N.V. · Inventors: Heijting, Hendrik G.

CIPO record

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

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Abstract From the Canadian patent

The invention relates to the combination of a container and a cap for closing that container the container having a mouth, the upper surface of which defining a practically flat plane and being, provided with an upstanding rim extending along the entire perifery, the cap having an upper panel and a sealing channel filled with sealant surrounding this panel, the inner diameter of said channel being smaller than the inner diameter of the rim and larger than the inner diameter of the upper surface of the mouth of the container, while the depth of the sealing channel is in excess of the height of the rim over said upper surface of the mouth. --1--

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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 March 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedMarch 20, 1979
Term endedMarch 20, 1996
Patent numberCA 1050928 A
Classification (IPC)B65D41/12

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedMarch 20, 1979Term endedMarch 20, 1996

Sources & verification

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