Angular offset pdc cutting structures
CA 2546159 C · Owner: Cariveau, Peter Thomas · Inventors: Cariveau, Peter Thomas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates generally to drill bits used to drill well bores through the earth. One , exemplary embodiment includes a fixed cutter drill bit comprising: a drill , bit body having a cutting structure face; and a pin, having a first central axis for attaching , the drill bit body to a drill string, wherein the cutting structure face has a second central axis misaligned with the first , central axis.
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 May 9, 2006 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 9, 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.