Prosthetic bearing assembly
CA 2033586 C · Owner: Ashby, Alan · Inventors: Ashby, Alan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A prosthetic acetabular cup 100 includes a fixation element 102 for introduction into the acetabulum. The fixation element 102 has a concave inner surface with a generally circular base formed in a plane generally perpendicular to the central longitudinal axis. A bearing component 7 is formed from a deformable material and has a concave opening therein for receiving a spherical head of a prosthetic femoral component. The bearing component 7 has an outer surface that nests within the concave inner surface of the fixation element 102. A snap lock mechanism is used to lock the bearing component 7 within the fixation element 102 in the axial direction. Both the fixation element 102 and 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 January 2, 1991 and granted July 26, 1994. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 2, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 2, 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.