Decorative beverage can bodies
CA 2347831 A1 · Owner: Alcan International Limited · Inventors: Rosenfeld, Aron Marcus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process of producing an aluminum beverage can body having a decorative surface exhibiting a dichroic effect when observed in white light. In the process, a can body is formed from a sheet of metal selected from the group consisting of aluminum and aluminum alloy by drawing and ironing surfaces of , the can body are cleaned to produce a cleaned can body a decorative structure , exhibiting a dichroic effect is applied to a surface of the cleaned can body and the can body is subjected to finishing operations wherein the decorative , structure is applied by the steps of: applying a layer of dielectric material directly onto the metal of the cleaned can body without pre-treatment of the …
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 October 20, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 20, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 20, 2021.
- 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.