Resistance device for use with exercising machines
CA 2038826 A1 · Owner: Parker, Darcy K. · Inventors: Parker, Darcy K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is a resistance device for use with an exercising machine. The resistance device comprises a fluid pump the pump having an input shaft, an inlet and an outlet in fluid communication with said inlet. A movable handle is provided as is a transfer means operable by the handle for rotating said input shaft to provide resistance against movement of said handle.
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 March 21, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 21, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 21, 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.