Core insert and method of use
CA 2435481 A1 · Owner: Rines, Danny Earl · Inventors: Rines, Danny Earl; Morello, Peter S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention generally relates to roll core inserts disposed with a security device and, methods of using such roll core inserts. More specifically the invention , relates to roll core, inserts having a body that connects the inside planar surfaces of a first circular disk and a second, circular disk and the outside planar surface of one of the disks has an engagement mechanism. A, security device is disposed on the roll core insert.
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, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 17, 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.