Closure
CA 2579783 C · Owner: Druitt, Rod · Inventors: Druitt, Rod
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a closure (1) for sealing of an orifice of a neck (25) of a container (26). The closure (1) comprises a top portion (2) an outer , skirt (3) and a sealing means (5). The sealing means (5) comprises an outer sealing means (20) suitable to be engaged with an outer free peripheral surface (17) of neck (25). The outer sealing means (20) comprises an annular base (22) radially distanced to said outer skirt (3) and at least one annular sealing ring (23) protruding radially inwardly over said base (22).
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 8, 2005 and granted February 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 8, 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.