Fixed spike, or a sleeve-mounted spike, fitted on a vehicle tire
CA 1280956 C · Owner: Linden, Unto · Inventors: Linden, Unto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a fixed spike or a, sleeve-mounted spike, fitted on a vehicle tire. The fixed spike or the sleeve-mounted spike, has an asymmetric region which is disposed to produce a force component turning the fixed spike or, the sleeve-mounted spike so that the fixed spike or the sleeve, mounted spike is arranged at initial contact with the road sur-, face to meet the road surface substantially in a vertical position.
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 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2008.
- 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.