Container closure
CA 1313506 C · Owner: Englert, Nickolaus · Inventors: Englert, Nickolaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container closure comprises a substantially flat disc adapted to fit on the container and has an opening therethrough. The disc is rotatable about its central axis to align the opening with an opening in the container such that further rotation will cause the disc to cover the container opening. The disc has a depending peripheral rib which assists in locating and retaining the disc in position relative to the container and at least one lug projects axially upwardly therefrom.
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
- Granted February 9, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2010.
- 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.