Therapeutic wrist rotator
CA 2244358 A1 · Owner: Baker, Edwin L. · Inventors: Baker, Edwin L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A therapeutic wrist rotator provides for the passive rotation of the wrist of a user of the device for rehabilitation of the wrist after injury or disease. The device includes a case which is adapted to be immovably affixed to a stationary object in order to resist the forces applied during use. The case includes an electric motor driving a reduction drive to provide relatively slow rotational speed and relatively high torque to an output shaft. The output shaft includes a handgrip extending therefrom. On/off and rotational direction switches are provided to control the operation of the device, which may be powered by conventional alternating current or by one or more batteries. 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
- Filed July 30, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 30, 2020.
- 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.