Fluid proportioning device
CA 1071594 A · Owner: Isberg, Gary J. · Inventors: Isberg, Gary J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tube used to mix oil and gasoline in a fuel tank has a one way valve in an end opposite a pouring end of the tube. The capacity of the tube is related to the capacity of the tank so that A prescribed gasoline to oil ratio can be achieved when a certain mixing procedure is followed. The method of mixing gasoline and oil using the tube.
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 12, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 12, 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.