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Expired Canadian patentCanada

Controlled collar vacuum

CA 2562523 C · Owner: Alveby, Nils · Inventors: Alveby, Nils

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

The present invention relates to a milking machine and a method for milking animal using a milking machine, wherein the milking machine comprises at least a first teat cup, the first teat cup is provided with a teat cup liner to be positioned around a teat of the milking animal the teat cup liner comprises a , lower end connected to a milking vacuum source for drawing milk from the milking animal, and a top end having a space and an orifice in which the teat is to be introduced, the teat cup liner further comprises an inlet to the space connected to a space vacuum source. The method is comprises the step of setting the vacuum level in the space so that the vacuum difference between …

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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 April 15, 2005 and granted June 11, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 15, 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.
FiledApril 15, 2005
GrantedJune 11, 2013
Term endedApril 15, 2025
Patent numberCA 2562523 C
Classification (IPC)A01J5/00 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 15, 2005Patent grantedJune 11, 2013Term endedApril 15, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.