Board book for preschool children
CA 1307808 C · Owner: Lane, Robert J. · Inventors: Callaghan, Jean Davis; Lane, Robert J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure A board book for preschool children comprising a plurality of generally quadrilateral panels in side-by-side congruent stacked, relation, to define the book top edging outside edging, bottom edging, and inside edging with the, panels being bound together at their inside edges to form the book spine, and for connecting consecutive of the book panels to the book spine for, when the book lies flat approximate, 180 degree free swinging movement relation relative to the book spine from positioning at one side of the book spine to the other side of the book spine, in paging the consecutive panels through the book, with the book front and rear panels being similar in …
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
- Granted September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 2009.
- 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.