Exercise machines
CA 1287844 C · Owner: Ferrari, Carlo V.G. · Inventors: Ferrari, Carlo V.G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An exercise machine comprises a first member (8) exercisingly moveable by a part of the body against the resistance of a weight (12), and a second member (14) operable by another part of the body to assist or resist movement of the first member (8), and a linkage selectively engageable by a control knob (32) between the second member and the weight in two modes in which force applied to the second member (84) in the same direction respectively assists and resists movement of the first member (8).
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 August 20, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 20, 2008.
- 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.