Injection molding
CA 2553642 C · Owner: Rexam Prescription Products Inc. · Inventors: Anctil, Albert R.; Allen, Richard L.; Hussain, Tasadduq
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for injection molding an article (10) including a radially extending child resistant feature (22). Finish block halves (216,218) are provided that include a pocket (246) and that are closable together to form a neck-finish mold cavity. Mold body halves (220,222) are provided that include a core portion (249) and that are closable together to form a body mold cavity. The core portion (249) is advanceable toward the pocket (246) to cooperate therewith to define a cavity for forming the child resistant feature (22). The core portion (249 may be integrally formed into one or more of the mold body halves (220,222), or may be separately mounted and relatively …
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 January 28, 2005 and granted September 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 28, 2025.
- 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.