Transfer lift
CA 2050604 A1 · Owner: Royce, John Henry · Inventors: Royce, John Henry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to the design of a lift device called a Transfer lift, intended to assist a disabled or infirmed person to transfer from a bed to a wheelchair commode or, bath tub with minimum or no assistance. Envisioned initially for Geriatric use in the homebut also of value in nursing homes and hospitals. Presently available lifting devices require a second person to operate the lift or if fixed, are difficult to disassemble for relocation due to the design of the base structure and do not specify in detail a fail-safe lifting mechanism. The object of this invention is to provide a free standing stable unit which is simple and economical to manufacture can, be operated by the …
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 September 4, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 4, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 4, 2013.
- 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.