Milling cutter
CA 2486150 A1 · Owner: Kennametal Inc. · Inventors: Mergenthaler, Peter; Kammermeier, Dirk
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A milling cutter (1), which can rotate about a cutter longitudinal axis (A) comprises a sleeve-shaped shaft (2) provided with an inner lying chip evacuation channel (11), which is arranged in essence, symmetric to the , cutter longitudinal axis (A) and with a suction opening (12). The milling cutter also comprises a milling head (3 3a, 3b, 3c), which is held coaxial to the cutter longitudinal axis (A) and to the shaft (2) while being held on said shaft and which comprises, as cutting edges (7 9), a face cutting edge (7) , and a peripheral cutting edge (9). At least one cutting edge (7 9) forms a , positive rake angle (.gamma.a .gamma.r) on the periphery of the milling head (3, 3a, 3b, …
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 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 16, 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.