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Expired Canadian patentCanada

Tamper evident closure with handle

CA 1316144 C · Owner: Crisci, Harry E. · Inventors: Crisci, Harry 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 tamper-evident closure with handle has a top portion a depending annular flange thereon and a peripheral tear skirt and a ring on said depending annular flange the tear skirt, being shaped to conform tightly to an external annular rib on a container, the ring being shaped to conform tightly to the container beneath the external annular rib first and, second frangible walls extending circumferentially of said peripheral tear skirt, one adjacent said depending annular flange and the other adjacent said ring a pull tab on said, peripheral tear skirt adjacent a vertical frangible wall therein, the handle engaging said ring.

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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 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 13, 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.
FiledMarch 22, 1989
GrantedApril 13, 1993
Term endedApril 13, 2010
Patent numberCA 1316144 C
Classification (IPC)B65D55/02

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedMarch 22, 1989Patent grantedApril 13, 1993Term endedApril 13, 2010

Sources & verification

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