Slitter for an electrode raw material sheet and the slitting process
CA 2353266 A1 · Owner: Itochu Corporation · Inventors: Sato, Takaya; Shimizu, Tatsuo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to an electrode with an excellent quality for an electrical component, wherein an electrode raw material sheet slitter (3) comprises: a slitting section (32) to slit an electrode raw material sheet (4) for an, electrical component, a forming section (35) to conduct smoothing of the convex, portion (17) on the slit electrode (41) and electrode cleaning sections (33, 34) to remove fragments adhered on the slit electrode (41). The invention also relates, to a slitting method of an electrode raw material sheet.
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 17, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 2023.
- 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.