Artificial foot
CA 2079588 A1 · Owner: Gramnas, Finn · Inventors: Gramnas, Finn
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An artificial foot which includes a foot blade (1) and a hollow cylindrical body (6) which extends at an angle to the foot blade and which is connected thereto in a manner to permit relative movement therebetween. The foot also includes a two-part brace (12) which is displaceable and adjustably mounted in an upper end of the cylindrical body (6) and is attached to the foot blade (1) at a lower end of the body in a manner such as to permit relative movement between the foot blade (1) and the brace (12). Displaceability and adjustability of the brace (12) and therewith angular, adjustment of the foot are achieved by virtue of the fact that the upper part of the brace (12) acts on the shaft …
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 March 28, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 28, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 28, 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.