Binding system
CA 1328893 C · Owner: Dwyer, Stephen H. · Inventors: Dwyer, Stephen H.; Thompson, Dorman N.; Miles, Alden R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A binding system including a method for binding sheets in which a stack of the sheets is shingled to disclose narrow side surface portions along their spine edges, a uniform layer of pressure sensitive adhesive is adhered to those spine edges and narrow side surface portion after which the spine edges are moved into alignment at a right angle to the side surfaces of the sheets to re-form the pressure sensitive adhesive along the spines of the sheets, and a flexible backing is adhered over the re-formed adhesive along the spine edges and at the side surfaces of the sheets to retain the spine edges of the sheets in that alignment. The system also includes a novel cover assembly which …
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 April 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 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.