Sleeve-mounted spike fitted on a vehicle tyre
CA 1284087 C · Owner: Neste Oy · Inventors: Suvanto, Erkki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of Disclosure, The invention concerns a sleeve-mounted spike fitted on a vehicle tyre, comprising a rivet , a head a tip and, a sleeve . The clearance between the sleeve and the rivet increases in the direction towards the tip . The sleeve has been shaped so that the hole in the sleeve for the rivet has been disposed to increase in diameter towards the tip .
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.