Toilet lift device
CA 1288902 C · Owner: Robertson, Bruce A. · Inventors: Robertson, Bruce A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mechanism for raising and lowering disabled persons on a toilet seat is provided. The toilet seat is mounted on a carriage which is operated by water-powered cylinders connected to the closet water supply and the pressure is closely controlled. The seat is moved vertically throughout its travel to permit the user to be moved to a position where he or she can carry their own weight and move onto and off the seat under their own power.
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 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 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.