Pipe connecting structure to be used for a milk delivery pipe
CA 2120475 C · Owner: Orion Westfallia Surge Co. Ltd. · Inventors: Keeffe, Kevin Michael; Torgerson, Kevin Laverne; Matsuzawa, Minoru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pipe connecting structure is constituted by a milk tap having an aperture to be aligned with a corresponding opening arranged at the top of a milk delivery pipe and a slide valve for opening and closing said aperture and a plug-in metal fitting removably fitted to said milk tap and including an elbow pipe. The slide valve has an aperture to be aligned with an upper opening of a milk delivery pipe and comprises a slide valve carriage having a substantially circular valve sliding hole disposed at the lower center and transversal collar insertion holes bored from a side toward the other side thereof and disposed along the lateral sides of the valve sliding hole a pair of guide pins …
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 March 29, 1994 and granted July 31, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 29, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 29, 2016.
- 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.