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Expired Canadian patentCanada

Fluid tight container and closure assembly

CA 1185927 A · Owner: Bowen, James L. · Inventors: Bowen, Gary D.; Bowen, James L.

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 plastic fluid tight container and closure assembly comprising a plastic container having a base a sidewall extending, upwardly from the base terminating in a rim defining an opening for the container, said sidewall defining on its inside a sloping abutment surface extending inwardly and downwardly from said rim and an annular notch terminating said abutment surface and a, plastic closure having a circular cover portion a U-shaped annu-, lar rim joined to the periphery of said cover portion said U-, shaped rim having an inner wall and a radially spaced outer wall connected by a base to said inner wall the outside of said outer, wall defining an annular shoulder positioned above the level …

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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 April 23, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 23, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 29, 1983
GrantedApril 23, 1985
Term endedApril 23, 2002
Patent numberCA 1185927 A
Classification (IPC)B65D39/00 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 29, 1983Patent grantedApril 23, 1985Term endedApril 23, 2002

Sources & verification

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