Easily foldable golf cart
CA 2436561 A1 · Owner: Lin, Wen-Tsan · Inventors: Lin, Wen-Tsan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A golf cart includes a cart body, a rotatable freely joint means and a, braking means. The braking means further comprises at least one first buckling element, at least one second buckling element at least one, confining element which is installed between the bushes and the sleeve and can freely move axially therebetween, and a control means. When the button is released, the elastomer is released so that the confining element is pushed to the bush. Thereby, the bush of the joint means rotates with respect to the sleeve freely. The first joint and the second joint can be operated to expand or close the golf cart. When the button is tightened the, bushes can not move with respect to the …
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 August 1, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 1, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 1, 2025.
- 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.