Exercise apparatus
CA 1306475 C · Owner: Graham, Gary · Inventors: Graham, Gary
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In the subject apparatus the user lies back down, on a shuttle, platform which it mounted on parallel tracks and movable from end to end of the tracks. The shuttle is biased toward a position between the ends by primary and secondary energy storage and release apparatuses. The engagement of the shuttle and track assembly by the primary energy storage and release apparatus is constant. The secondary energy storage and release apparatus is constantly engaged with the shuttle and intermittently engaged with the track assembly. Both apparatuses are adjustable in terms of the at rest position of the shuttle on the track assembly and the forces in the apparatuses when at rest and in operation. …
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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 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 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.