Method of applying reclosable zipper to package
CA 2305051 C · Owner: Ausnit, Steven · Inventors: Ausnit, Steven; Ramsey, Ronald L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for attaching reclosable zipper to a package is provided. A pair of opposing film extensions are provided on the package above the seal at the package opening. The reclosable zipper is then inserted between the film extensions on the package and sealed, thereto.
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
- Filed April 12, 2000 and granted December 9, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 12, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 12, 2022.
- 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.