Running surface for a ski
CA 2107325 C · Owner: Fischer Gesellschaft M.B.H. · Inventors: Pieber, Alois
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A running surface for a ski, in particular a cross-country ski in which at least in partial regions of the length and width of the ski a plurality of running surface indentations in the form of ramps successively stepped in the longitudinal direction of the shi are provided which in longitudinal section comprise a sawtooth-like profile which inhibits backward sliding. In the region of the stepped ramp (3) which has a shallow rise in the longitudinal direction of the ski a secondary step is provided, the lick-off edge (6) of the secondary step (5) being positioned at a lower level than the kick-off edge (4) of the stepped ramp (3).
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
- Filed September 29, 1993 and granted June 13, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 29, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 2015.
- 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.