Connecting assembly for spark plug of internal combustion engine
CA 1297960 C · Owner: Sumitomo Wiring Systems, Ltd. · Inventors: Watanabe, Yuzi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A connecting assembly for coupling ignition cables with spark plugs for use with internal combustion engines. The connecting assembly consisting of a spark plug boot and a cable terminal portion interacting to prevent extraction of the ignition cable from the spark plug boot. The spark plug boot having axially aligned internally located guide recesses cooperating with protrusions on the terminal portion. The spark plug boot also has rotatably displaced notches located therein which engage the terminal protrusions and prevent extraction thereof from the spark plug boot.
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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 2009.
- 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.