Exerciser
CA 1263876 C · Owner: Mcfee, Richard · Inventors: Mcfee, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The exerciser consists of a platform suspended on springs and connected to adjustable means for dissipating energy. The assembly is constructed to have a resonant frequency which matches the tempo of bouncy popular tunes and remains the same regardless of the weight of the user: The user first sets his weight and then makes the platform oscillate by flexing his knees and by exerting pressure on a handle which moves in synchronism with, but oppositely to the platform. The unit can be constructed for use by one ot two persons In, one embodiment, the platform is fastened at one end of a lever frame, the other end of which is pivoted. The frame is suspended on elastic springs fastened to a …
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 December 12, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 12, 2006.
- 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.