Mixing blade with removable wearing element
CA 2602970 C · Owner: Woerner, Wolfgang · Inventors: Woerner, Wolfgang; Seiler, Andreas; Ahke, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a mixing blade (6) consisting of a base part (15) fixable to a shaft and a removable wearable element (12). The aim of said invention is to develop a more economical mixing blade. For this purpose the , wearable element (12) and the base part (15) overlap on at least 30 % of the base part length and define different cross-sections of the mixing blade (6) in said area.
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 March 29, 2006 and granted June 25, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 29, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.