Bicycle with a collapsible frame
CA 1289588 C · Owner: Hellestam, Sven · Inventors: Linander, Otto; Hellestam, Sven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tricycle with collapsible frame which incorporates front and rear frame posts and at least one cross beam interconnecting said frame posts. The purpose is to provide a bicycle which with one or a few simple hand grips in a few seconds can be folded into a compact unit. It furthermore shall have an absolutely rigid frame when the bicycle is in its position of use and in collapsed position it shall be only little bulky with a substantial extension in one direction only. This has been achieved in that the cross beam of the frame is two-part that the two parts of the cross beam are articulatedly connected to each other and to the frame posts and that the two parts of the cross beam at folding …
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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 2008.
- 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.