Plastic bag with reusable neck closure band
CA 2059948 A1 · Owner: Lipes, Arnold · Inventors: Lipes, Arnold
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reusable neck closure band for a plastic bag and a method of securing same to a bag is disclosed. A closure band is formed from an elongated rectangular strip of plastic material and comprises a neck retention portion for retaining a bunched neck portion of the bag and, opposed free band portions. The neck retention portion is attached to the bag by a heat fused attachment. A detachable seal interconnects the free band portions together adjacent the bunched neck portion to restrain the bunched neck portion. The detachable seal is disconnected by pulling the free band portions away from one another to cause the detachable seal to detach to free the bunched neck portion of the bag. The bag …
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
- Filed January 23, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 23, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2014.
- 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.