Method and system for detecting estrus in swine
CA 2270319 C · Owner: Labrecque, Robert · Inventors: Labrecque, Germain; Labrecque, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a moveable cart for use in transporting a male hog past one or more rows of cages containing sows to permit the determination of estrus in the sows and also to increase the success rate during artificial insemination by permitting snout to snout contact between the sow and male hog the cart having a base with wheels mounted thereon at least one wall extending upwardly from the base and at least one panel for blocking visual access in at least one direction between the interior and exterior of the cart and at least one opening in the wall sized to permit the snout of the male hog to at least partially extend therethrough.
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 April 28, 1999 and granted June 6, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 28, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 28, 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.