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Expired Canadian patentCanada

Anti-theft packaging device

CA 1137037 A · Owner: Holkestad, Howard P. · Inventors: Holkestad, Howard P.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

TITLE, Anti-Theft Packaging Device, ABSTRACT OF THE DISCLOSURE An anti-theft packaging device is disclosed according to the teachings of the present invention as, including an enclosure having a generally open top face allowing insertion of the article to be packaged. The preferred enclosure then further includes an extension for extending the dimensions of the enclosure and thus of the article to be packaged. The article is held against removal in the enclosure by generally closed sides ends, and bottom, face and is held against movement or removal through the open top face by retention devices. Again in the preferred, embodiment, the retention devices are shown as a rib formed in the top …

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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 December 7, 1982. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 7, 1999.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 21, 1980
GrantedDecember 7, 1982
Term endedDecember 7, 1999
Patent numberCA 1137037 A
Classification (IPC)B65D1/36 +2 more

Timeline

Timeline From CIPO dates

1981198319851987198919911993199519971999Application filedAug 21, 1980Patent grantedDec 7, 1982Term endedDec 7, 1999

Sources & verification

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