Fixed spike, respectively sleeve-mounted spike, fitted on a vehicletyre
CA 1284086 C · Owner: Neste Oy · Inventors: Linden, Unto; Suvanto, Erkki
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 flange and the body of the spike or the flange of the rivet and the sleeve are shaped, at least in the part of the flange and of the body part facing the flange or in the part of the flange of the rivet and the sleeve facing the flange of the rivet in such manner, that the spike has no detrimental sharp discontinuities The rubber is arranged to flow smoothly around the spike at least in the region between the flange and the body structure of the tire and in the region of the body part facing the flange or in the region between the rivet flange and the body structure of the tire and in the …
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 May 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 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.