Sports device
CA 2033773 C · Owner: Rankin, J. Cameron · Inventors: Rankin, J. Cameron
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sports device comprising an elongated support having a handle thereon for gripped engagement by an individual to impart a tilting motion to the elongated support. A removable weight shifting means is mounted at one end of the elongated support for changing the balance point of the elongated support responsive to the tilting motion. A concave track is supported on the elongated support and is provided at its opposite ends with a ramp disposed in inclined relation relative to the track. A ball is provided for placement in the track and is disposed for controlled rolling movement therealong responsive to the tilting motion. A ball ejecting member is mounted at the end of each ramp and each …
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 January 8, 1991 and granted November 26, 1996. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 8, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 8, 2013.
- 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.