Modular teat cup assembly
CA 2394725 A1 · Owner: Milbrath,Constance J. · Inventors: Milbrath,Constance J.; Larson, Reed A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A modular teat cup assembly (1) for use with a milking machine for milking cows. The modular teat cup assembly (1) comprises a hollow tubular shell (2) together with a cartridge assembly slidably received within the shell. The cartridge assembly (3) includes a spool-shaped liner (18) and a framework comprising a pair of opposing sleeve members for supporting the liner. The sleeve members are movable between an open position to permit removal and replacement of the liner, and a closed position for supporting the liner therebetween. A cap removably mounted on the bottom of the shell holds the cartridge assembly within the shell and is used to attach a milking tube in the conventional …
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 December 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 18, 2022.
- 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.