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Expired Canadian patentCanada

Container with pressure-release lid

CA 1324110 C · Owner: OLSEN, ESKIL HõJLAND · Inventors: Lillelund, Stig; OLSEN, ESKIL HõJLAND

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 lid engageable with the planar outer edge of a container mouth in overlying sealing relation to the mouth. The lid includes a depending peripheral sealing flange engaged with the container adjacent the mouth and a top panel, with a base surface having a pair of spaced fulcrums seated on the mouth edge. The top panel is divided by the fulcrums into a first major portion and a second minor portion When the, lid seals the container the under or base surface of the major portion parallels the mouth edge with the flange engaged with the container wall completely about the mouth. The minor portion of the top panel of the lid includes an under or base surface upwardly angled or offset …

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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 November 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 9, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 12, 1989
GrantedNovember 9, 1993
Term endedNovember 9, 2010
Patent numberCA 1324110 C
Classification (IPC)B65D43/04 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedSep 12, 1989Patent grantedNov 9, 1993Term endedNov 9, 2010

Sources & verification

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