Clutch control apparatus of an automotive power transmission
CA 1069344 A · Owner: Nissan Motor Co. Ltd. · Inventors: Hiraiwa, Kazuyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An electrically operable clutch is engaged upon opening of a clutch control circuit. The circuit comprises a first switch on a gear shift lever which is closed while the shift lever is pushed away from the driver, a second switch on the lever which is closed while the shift lever is pulled toward the driver, a third, usually closed switch which is opened only when the shift lever reaches a shift position short of either one of the fully pushed position or the fully pulled position, a fourth, usually closed switch which is opened only when the shift lever reaches a shift position short of the fully pushed position and a fifth, usually closed switch which is opened only when the shift lever …
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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 January 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 8, 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.