Cutting plate, particularly for a boring tool
CA 2556525 C · Owner: Kennametal Inc. · Inventors: Just, Werner; Krenzer, Ulrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a cutting plate (1) comprising a plate surface (2) lateral plate faces (5), a main cutting edge (9) that borders a secondary cutting edge (8) via a corner cutting edge (10) and a chip-forming stage (6) , that is located in the zone near the corner and is provided with a stage base (7) which extends from the secondary cutting edge (8) to the main cutting edge (9).
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 February 11, 2005 and granted January 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 11, 2025.
- 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.