Portable patient weighing device
CA 2498405 A1 · Owner: Tuft, Richard H. · Inventors: Tuft, Richard H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system and method for measuring the weight of patients in a wheelchair are disclosed, including two portable weight measurement devices wherein the , devices measure the weight imposed on two wheels of a four wheel wheelchair and a receiver that accepts weight measurement data from the portable weight measurement devices. The weight data exchanged between the two portable weight measurement devices and/or with the receiver may be transported over wireless connections.
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 10, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 10, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 10, 2025.
- 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.