Cutting apparatus and cutting method
CA 2317504 A1 · Owner: Ahles, John Glen · Inventors: Plamann, Jeffrey Allen; Tease, Timothy Noel; Clare, Brian Dennis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cutting apparatus and a method are disclosed for cutting a plurality of articles from a sheet or web of material. A knife (14) can be formed in or secured to the outer surface of a rotary die cutter. The knife (14) includes a first cutting member (40) having a first end (42) and second and third , cutting members joined to the first end of the first cutting member. The second and third cutting members are arranged relative to one another to form an arcuate section (18, 50) which intersects with the first cutting member (40) to form a general wishbone configuration. A unique knife profile enables two adjacently arranged articles to be cut simultaneously from a sheet or web of …
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 3, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 3, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 3, 2021.
- 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.