Walking exerciser convertible into a stepping exerciser
CA 2389640 A1 · Owner: Lee, Sunny · Inventors: Lee, Sunny
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A walking exerciser has left and right operating assemblies, each of which includes front and rear swing rods, a hydraulic cylinder unit disposed on a base a horizontal connecting rod connected pivotally and removably to the front and rear swing rods and a pedal, attached to the connecting rod. When the front and rear swing rods swing, the pedals turn forward and rearward in such a manner that the connecting rods are maintained at horizontal positions. When the rear swing rods are removed from the connecting rods and are then fastened to the base and when the connecting rods are connected pivotally to the hydraulic cylinder units, the pedals can be turned downward after which, the pedals …
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 June 7, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 7, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 7, 2024.
- 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.