Patent Yard Sign in
Expired Canadian patentCanada

Lower extremity exoskeleton

CA 2601220 C · Owner: The Regents Of The University Of California · Inventors: Kazerooni, Homayoon; Harding, Nathan H.; Angold, Russdon

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A lower extremity exoskeleton, configurable to be coupled to a person comprises two leg supports configurable to be coupled to the person's lower limbs and configured to rest on the ground during their stance phases. Each leg support comprises a thigh link, a shank link and two knee joints. Each , knee joint is configured to allow flexion and extension between the respective shank link and the respective thigh link. The lower extremity exoskeleton also comprises an exoskeleton trunk configurable to be coupled to the person's upper body. The exoskeleton trunk is rotatably connectable to the thigh links of the leg supports allowing for the flexion and extension between the leg supports …

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 January 18, 2006 and granted March 18, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 18, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 18, 2006
GrantedMarch 18, 2014
Term endedJanuary 18, 2026
Patent numberCA 2601220 C
Classification (IPC)A61G15/00 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJan 18, 2006Patent grantedMarch 18, 2014Term endedJan 18, 2026

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.