Overmolded containers and methods of manufacture and use thereof
CA 2601552 C · Owner: Shi Yu · Inventors: Shi Yu; Durham, Daniel J.; Readdy, Robert L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Overmolded containers (20) and methods of manufacture thereof are disclosed which may provide enhanced visual and tactile characteristics enabling , innovative packaging designs improved grippability and thermal insulation. The containers can be made cost effectively manner with minimal impact on , polymer recycling streams. The methods of making the container include the steps of providing a container preform (12) which comprises a thermoplastic polymer, such as a PET copolymer; overmolding an elastomeric material (14) over at least a portion of the preform to form an overmolded preform; and blowmolding the overmolded preform to form an overmolded container. In one embodiment, the …
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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
- Filed February 17, 2006 and granted June 2, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.