Electronically-controlled, adaptive automatic transmission system
CA 1320060 C · Owner: Holbrook, Gerald L. · Inventors: Leising, Maurice B.; Benford, Howard L.; Holbrook, Gerald L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An adaptive control system for an electronically controlled transmission with electronic controller means said electronic, controller means for controlling the actuation of the means for controlling the flow of hydraulic fluid to regulate the application and release of pressure to and from the friction elements in response to signals from the means for sensing the input and output speeds of the transmission, the means for sensing the power demand on the prime mover and the means for providing an indication of a manually selected node of operation for the transmission, the controller means for causing the transmission to follow a set of predetermined shift schedules said, means for …
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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 July 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 13, 2010.
- 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.