Cylindrical container
CA 1215007 A · Owner: Thomassen & Drijver-Verblifa N.V. · Inventors: Glerum, Johannes A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
1-, Abstract, The invention relates to a cylindrical container comprising a bottom, a cylindrical body and a lid. The invention has for its object to design a container of the kind set forth so that it satisfies requirements with respect to strength and stackability and can, moreover, be manufactured at economically permissible additional costs. According to the invention the container comprises a reinforcing layer fixed to the surface of at least the central zone of the body throughout the circumference thereof. It is preferred to use a container whose reinforcing layer is fixed to the entire body surface.
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 December 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 2003.
- 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.