Flushing of liquid circulation systems
CA 1072267 A · Owner: Wynn Oil Company · Inventors: Joffe, Kenneth L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention comprises a method and apparatus for flushing debris from a liquid circulation system such as the cooling system of a water-cooled vehicle. The apparatus includes an inlet conduit for flushing liquid a series of branch conduits connected to points on the circulation system, a drainage conduit for used water and a valve or series of valves settable between various positions dictating different flow paths for the flushing liquid through the conduits and the circulation system.
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 February 26, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 26, 1997.
- 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.