Animal-drinking valve
CA 1238538 A · Owner: Werner, Konrad · Inventors: Agerley, Jorgen; Werner, Konrad
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cylindrically hollow housing has an inlet at its upper end and an outlet at the lower end. A valve seat having a primary bore extending axially through its center is located in the housing dividing it into an upper and a lower chamber communicating through the primary bore. A ball is freely located in the upper chamber and an operating lever extends axially through the outlet opening. The lever has a flanged head closing the outlet. The lever is resiliently biased in a first position wherein the head closes the outlet and is movable into a second position wherein the outlet is open for the passage of fluid. The valve is arranged so that when the lever is in the first position the primary …
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
- Granted June 28, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 2005.
- 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.