Protective book holder
CA 1321114 C · Owner: Chapman, David R. · Inventors: Shepherd, Charles Grey; Chapman, David R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a book holder for a large book such as a telephone directory. So as to better protect the book from the elements, the holder comprises an elongate spine having a width to accomodate the thickness of the book to be displayed longitudinally extending sides, a front hingeably attached to one of the sides of the spine to cover the front of the book and a back hingeably attached to the other of the sides of the spine to cover the back of the book. At least one of the front and back have an upstanding flange so that when the holder is in the closed position, the book is substantially fully enclosed. Attachment means coupled to the spine and adapted to hold the book 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 August 10, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 10, 2010.
- 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.