Device and method for forming a recess in a workpiece
CA 2381844 A1 · Owner: Morlock, Eckard · Inventors: Grupp, Philipp; Morlock, Eckard
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 device for forming a recess in a workpiece wherein, said device comprises a tool (30) that can be moved by a forward feed device (31), said tool (30) having at least one working element (35; 35a-35d) for the production of said recess (2a-2d) in said workpiece (3a-3e). According to the invention the tool with at least one of said working elements, (35; 35a-35d) is provided with a working area (40) that is wedge-shaped and that widens from a front end (38) to an opposite end (39) thereof to a width corresponding substantially to an axial elongation (I) of said recess (2a-2d) to, be formed; said working area (40) rising from a base (36) of said tool (30) to a, …
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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 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 2022.
- 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.