Method for controlling a change-over between two and four-wheel drive modes for a vehicle
CA 1332574 C · Owner: Matsuda, Shohei · Inventors: Matsuda, Shohei; Haga, Tadatoshi; Ikegami, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
It is an object of the present invention to provide a method for controlling the change-over between two and four-wheel drive modes of a vehicle wherein the two-wheel drive mode is smoothly changed to the four-wheel drive mode during acceleration in the two-wheel drive mode.
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 October 18, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 18, 2011.
- 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.