Folding wheel chair
CA 1237363 A · Owner: Kitrell, John V. · Inventors: Kitrell, John V.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A folding wheelchair comprising first and second side frames which are hingedly secured together to enable the wheelchair to be moved between folded and operative positions. Drive wheels are located at the lower rearward ends of each of the side frames and are driven by hand wheels rotatably mounted on the side frames. A removable seat is positioned between the side frames and when in position, provides a seating area for the user of the wheelchair and also serves to maintain the wheelchair in its operative position. Folding arm supports and foot supports are also provided.
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 May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.