Tamper-resistant package
CA 1282720 C · Owner: Inventive Packaging Corporation · Inventors: Cooke, Carl W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tamper resistant package consisting of a container and removable closure includes sealing means comprising an insert disposed in the interior of the container for sealing the container. The insert includes a tear-away section and a tab affixed to the insert at the tear-away section. The tab normally extends upwardly for removing the tear-away section when it is desired to open the container. If the tear-away section is partially or completely broken away from the body of the insert the user is provided with a positive, readily ascertainable indication that the package has been previously opened and possibly tampered with.
Read the whole patent
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 9, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 9, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.