Method of assembling a ring binder cover
CA 2894924 C · Owner: Lockhart Industries, Inc. · Inventors: Byrd, Larry R.; Lopez, Michael A.; Israel, Eric S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for assembling a cover, comprising the steps of: inserting ring elements of a ring binder through apertures in a flexible surround the flexible surround having a outer back panel spine panel and front panel, a first score line between the outer back panel and spine panel and a second score line between the spine panel and front panel; wrapping the flexible surround about a base of the ring binder to encapsulate the base of the ring binder by folding the surround at the score lines; fastening the flexible surround with the base of the ring binder encapsulated therein to a member forming at least a rear cover the ring elements extending through the surround and exterior the surround; …
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 April 13, 2006 and granted March 14, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 13, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.