Elevator device for wheelchair and wheelchair incorporating same
CA 1215907 A · Owner: Societe A Responsabilite Limitee: International Diffusion Consommateur I.D.C. · Inventors: Pillot, Bernard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an elevator device for a wheelchair of the type comprising on the one, hand, an articulated structure comprising a seat a, footrest and a back, adapted on the frame of such a wheelchair and constituted by two symmetrical lateral systems each comprising a first deformable quadrilateral contributing to the support of the seat and articulated on the front part of the frame, a second deformable quadrilateral contributing to the support of the footrest, articulated on the front part of the first and a back reinforcement articulated on the first quadrilateral opposite the second, and, on the other hand at, least one elastic compensating member each lateral system …
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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 December 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 30, 2003.
- 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.