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Expired Canadian patentCanada

Child resistant package

CA 1284629 C · Owner: Inventive Packaging Corporation · Inventors: Cooke, Carl W.

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

Abstract, An improved child resistant package comprising a container and closure and resilient means for normally urging the closure axially away from the container when the container is sealed by the closure. Cooperating sets of locking elements rim the container adjacent its mough and are disposed about the inner surface of the depending skirt portion of the container for locking and maintaining the closure in a sealed position over the mouth of the container. One set of the locking elements comprise pairs of spaced apart projections which define a through-running channel therebetween. The other set of locking elements comprise corresponding latch members, each of which define a stop …

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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 June 4, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 4, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 31, 1986
GrantedJune 4, 1991
Term endedJune 4, 2008
Patent numberCA 1284629 C
Classification (IPC)B65D55/02 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 31, 1986Patent grantedJune 4, 1991Term endedJune 4, 2008

Sources & verification

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