Mailing and shipping carton
CA 1237404 A · Owner: Professional Packaging Limited · Inventors: Holmes, Gordon W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mailing and shipping container is described which is of rigid construction and simple design and which, once closed, resists opening without destroying the integrity of the structure. The container comprises a tubular sleeve generally of rectangular cross section and end closures at the ends. The end closures comprise overlying panels which have interacting tabs and slots and means for preventing the tabs from being withdrawn from the respective slots after insertion therein.
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 May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.