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Expired Canadian patentCanada

Closures for containers

CA 1160596 A · Owner: Johnson & Jorgensen (Plastics) Limited · Inventors: Burton, George W.; Davis, Eugene 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 novel closure cap is provided herein for closing the mouth of a container. The cap includes a plug and an outer member including a depending skirt. When the closure cap is in operative position on the container, the inner member is coaxially disposed within the upper part of the outer member, the plug being seated so as to close the mouth of the container with the top of the inner member flush with or below the top of the outer member, the upper part of the outer member being postioned above the rnouth of the container and the skirt of the outer member, being positioned so as to embrace and engage with the outer surface of the container around the mouth. n this way it is very difficult …

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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 January 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2001.
  • 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 30, 1981
GrantedJanuary 17, 1984
Term endedJanuary 17, 2001
Patent numberCA 1160596 A
Classification (IPC)B65D41/18 +1 more

Timeline

Timeline From CIPO dates

1982198419861988199019921994199619982000Application filedJan 30, 1981Patent grantedJan 17, 1984Term endedJan 17, 2001

Sources & verification

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