Barbell system
CA 1316950 C · Owner: Selex Sport/Health Industries, Inc. · Inventors: Shields, William David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A barbell apparatus comprising a plurality of spaced weights stored on spaced apart support trays and arranged in two horizontal rows on a frame the, weights each having an identically positioned horizontal slot therein and a vertically disposed pin mounted therein for securing the weights to a lifting bar. The lifting bar has a rotatable collar on each end with spaced circumferential grooves in line with the pins in the weights. The lifting bar has wheels which rest in a guide channel on each end of the frame and cooperate with a pair of spaced alignment bars mounted on the frame to maintain the lifting bar in proper alignment with the frame and the weights during weight loading and …
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 April 27, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 27, 2010.
- 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.