Heat activatable binding cover with pressure sensitive adhesive
CA 1046551 A · Owner: General Binding Corporation · Inventors: Staats, Henry N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A binding for a plurality of sheets of paper comprises a back spine having a thermally activatable cement to secure the plurality of loose sheets in the binding a transparent front, cover attached by a pressure sensitive adhesive to a front flap integral with the back spine and a back cover which is either integral with the back spine or attached by a pressure sensitive adhesive to a back flap which is integral with the back spine.
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 January 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 16, 1996.
- 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.