Opener for variety of ring-pull containers
CA 2452586 A1 · Owner: Alexander, Brian · Inventors: Alexander, Brian; Alexander, Carl Ernest
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tool for opening a container sealed by a ring-pull seal is described. The hand-operated tool saves overloading a person's hands by gripping the ringpull or tab, and manipulating the tab in a first direction so that the seal is broken, and then in a second direction so that the tab is laid flat or perhaps removed. For tabs with a large ring, there is a ring engaging means placed in relation to an adjacent sharp tool edge for pressing against the region of the frangible seal in order to initiate breaking of the seal and a fulcrum or , heel on which the tool can be rocked in order to lift the lid away. For beverage containers with smaller tabs the tab itself breaks the seal after …
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 July 5, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 5, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 5, 2024.
- 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.