Process for drawing off a milk sample
CA 2025616 A1 · Owner: Kochli, Heinrich · Inventors: Kochli, Heinrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the equipment for drawing off milk samples from a milk conveyor pipe (1), in order to remove any milk remaining from the previous supplier and adhering within the suction pipe (5) and the injection syringe (6) before taking a sample from the current supplier the suction pipe (5) and the injection syringe (6) are filled with milk and after being completely filled they are emptied again by pumping the milk back into the conveyor pipe (1). The process of filling to fullness is monitored by a control means (9) which operates a hose pump (7) such that only the exact quantity of milk required to fill the suction pipe (5) and the injection syringe (6) is conveyed. Only after this filling and …
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 September 18, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 18, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 18, 2012.
- 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.