Crown cap
CA 2474715 A1 · Owner: Zubakhin, Oleg Viktorovich · Inventors: Shaidenko, Vadim Gennadievich; Zubakhin, Oleg Viktorovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The aim of the invention is to improve the ergonomic properties of crown caps provided with strips detachable with the aid of tab thereof more specifically , to increase the usability and safety of the caps and to reduce the , possibility of self-opening of said easy-open closures and the interengagement therebetween during transportation and storage of bottles. Several embodiments of said crown caps, i.e. the caps provided with a combined tag an , incorporated tag and a bent tag-strip are also disclosed.
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 December 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 30, 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.