Screw-retaining screwdriver
CA 2636009 C · Owner: Synthes (U.S.A.) · Inventors: Griffiths, Bryan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A screwdriver having a retention mechanism for temporarily holding a screw in place on it tip while the screw is being positioned rotated or removed. More , particularly a screwdriver with a cruciform head used in the installation and removal of bone screws during maxillofacial surgery.
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 August 2, 2006 and granted October 21, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 2, 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.
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.