Axillary crutch
CA 1291692 C · Owner: Lumex, Inc. · Inventors: Divito, Fred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved axillary crutch is disclosed. The crutch has two inter-connected hollow-tube frame members. The bottom frame member is radially shaped at the end which comes in contact with the floor, the radial design of the bottom frame member being derived from the natural arcing motion of the crutch. A radial crutch tip is fitted over the radial end of the bottom frame member. The bottom frame member telescopes into the top frame member. A bolt within the handle of the crutch passes through apertures in each frame member and is secured by a wing nut. The height of the crutch is changed by removing the bolt telescoping, the bottom frame member into or out of the top frame member and …
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 November 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 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.