Container resealable sealing device construction
CA 1264682 C · Owner: Chang, Sung-Chol · Inventors: Chang, Sung-Chol
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A container having an access opening and a resealable sealing device, the latter consisting of a closure flap which is secured at one end region to the front side of the container and is coated with a pressure-sensitive adhesive to permit the container to be opened and resealed. A pair of cuts are formed in the flap to define a pair of tabs or fingers integral with the one end region of the flap and a, pair of tear prevention holes are formed at the ends of the cuts on the line of attachment of the body of the flap to the one end region thereof, all to prevent the flap from tearing away from the container. A non-adhesive member is cut out of the front side of the container to define the …
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 23, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 2007.
- 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.