Milking devices
CA 2566847 C · Owner: Pettersson, Torbjoern · Inventors: Kassibrahim, Jan; Pettersson, Torbjoern; Odeberg, Johan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A milking device according to the invention comprises at least a teatreceiving flexible sleeve, adapted to be positioned on/over a teat. A first portion thereof comprises a material, selected from the group consisting of thermo-plastic elastomers (TPE), as defined in ISO 18064 and a second portion , thereof comprises a material selected from the group consisting of thermoplastics. The method of making a milking device in particular a teat , cup liner, is a molding process carried out in two or more steps. In the first step, a thermoplastic, preferably polypropylene (PP) or polyamide (PA) is , injected in a mold defining only those portions of the device that are to exhibit a higher …
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 June 1, 2005 and granted April 9, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 1, 2025.
- 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.