Hard material insert with polycrystalline diamond layer
CA 2436181 A1 · Owner: Hilti Aktiengesellschaft · Inventors: Moseley, Steven
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hard material insert (1) for a tool, which is configured segmental and has a planar, polycrystalline diamond layer (2) which has a main cutting element (3) having a radius R in the, layer plane and an opposing at least segmental linear contact edge (4). The minimal radius of, curvature K is greater than R/20 in a transition zones (X X') of the main , cutting element (3) to the contact edge (4). The transition areas (X X') of lesser curvature are , produced in postprocessing.
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 July 29, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 29, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 29, 2025.
- 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.