Portable exercise machine
CA 1305979 C · Owner: Prohaska, Raymond J. · Inventors: Marshall, Howard B.; Prohaska, Raymond J.; Kaye, Gordon E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable exercise device for the full and efficient exercise of any group of muscles provides a predetermined and calibrated resistive force established by virtue of friction forces. The exercise device includes a housing having an integrally formed handle or a receptacle for attaching an accessory connector at one end and an aperture at the end opposite therefrom, a sheave assembly rotatably mounted in the housing having an exercise cord windably retained therearound, a movable handle fixed to the end of the exercise cord which extends through the aperture in the housing, a braking assembly operatively associated with the sheave to frictionally and unidirectionally retard the rotation of …
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 4, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 4, 2009.
- 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.