Automatic sharpening system for ice-skates
CA 2516068 C · Owner: Eriksson, Magnus · Inventors: Eriksson, Magnus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is for using a skate-grinding device. The method provides an automatic sharpening system (10) that has grip members (14 16) and a grinding wheel (28). A blade (18) of a skate (20) is inserted into a groove (19). The system is turned on. A motor (44) rotates the grinding wheel (28) and automatically moves the grinding wheel (28) within the groove to grind the blade (18). An electronic unit (86) measures a time the system (10) is used. A user of the system (10) is charged for the time measured by the electronic unit (86).
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 August 16, 2005 and granted July 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 16, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.