Wheelchair lift with mutually perpendicular pivot axes
CA 2377750 A1 · Owner: Accubuilt, Inc. · Inventors: Vartanian, Roger
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wheelchair lift is mounted in a vehicle doorway and provided with at least three distinct modes in which a supporting platform (32) can be moved. The platform (32) is affixed to vertical standards (44 46) guided by , parallelogram linkages (47) between the standards (44 46) and fixed posts , (40) mounted in the vehicle doorway. The platform (32) is pivotable on a horizontal axis at the connection between the platform and the movable standards (44, 46) such that the platform can be raised to a compact vertical orientation. The platform (32) also is attached to the vertical standards (44 46) on a vertical axis (45) so as to hinge in the manner of a gate to clear the doorway for …
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 14, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 14, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 14, 2022.
- 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.