Folding box for the accommodation of plastic bags wound into a roll
CA 1236060 A · Owner: Melitta-Werke Bentz & Sohn · Inventors: Zulauf, Wolfgang
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A folding box for the accommodation of a roll of wound plastic bags is provided with a closing flap which completely overlaps the front wall of the box. In the lower part a closing flap is glued firmly to the front wall. In the central part the closing flap is separable by means of a tear-off strip, so that the area connected to the lower part of the front wall may be separated from the upper part the upper part of the closing flap remaining attached to the cover of the box. The upper part of the closing flap may be inserted between two retaining flaps on the front wall. The area remaining after the tear-off strip has been removed forms an aperture for the withdrawal of plastic bags a …
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 3, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 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.