Foldable bookstand
CA 1333353 C · Owner: Doerksen, Bradley L. J. · Inventors: Doerksen, Bradley L. J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A portable bookstand is formed from a sheet of rigid card with transverse hinge lines dividing the card into a number of panels to form a base panel an upstand-, ing front panel, a rearwardly inclined edge receiving panel, an upwardly inclined book face receiving panel and a rearward support structure. Hook and loop fasteners are provided to connect the junction line between the inclined panels to the base panel and to adjustably position the support panel structure to provide different inclinations of the book receiving panel. The device can be folded flat by lifting the inclined panels away from the base panel to allow the support panel to fold in between. Separate arms are pivotally and …
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 December 6, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 6, 2011.
- 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.