Carton with integral reinforced carrying handle
CA 1089821 A · Owner: Champion International Corporation · Inventors: Wysocki, Lawrence S.; Scott, Raymond G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A carton provided with an integral pivotable, carrying handle on the top wall. The handle is a portion of a unitary blank of paperboard stock used to form the carton. When the carton is erected the handle can be pivoted from a, substantially flat stored position on the top wall to an upright use position for carrying the carton. The handle is formed from three overlapping panels after the blank is folded to provide a handle having superior strength. - 1 -
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 November 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 1997.
- 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.