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Expired Canadian patentCanada

Flexible pilfer proof reusable bag with tearable handle and method of making same

CA 1286643 C · Owner: Peppiatt, Harry R. · Inventors: Peppiatt, Harry R.

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, A flexible pilfer proof reusuable bag is disclosed wherein the handle serves to carry the bag to open it, and to reseal it. In one embodiment the entire bag is, manufactured from a unitary web of flexible plastic material. An adhesive element is applied to the web to provide a separable gusset joint at the closed end of the bag. A loop handle integral with the gusset is provided with a frangible region which can be broken to form two separate handle portions which are releasably joined along the gusset joint. The handle portions can be pulled apart so as to break the gusset joint and provide access to the goods in the bag. In a second embodiment the bag is manu-, factured from two …

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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 July 23, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 23, 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.
FiledJuly 21, 1986
GrantedJuly 23, 1991
Term endedJuly 23, 2008
Patent numberCA 1286643 C
Classification (IPC)B65D33/16 +2 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedJuly 21, 1986Patent grantedJuly 23, 1991Term endedJuly 23, 2008

Sources & verification

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