Filling and using reclosable bags
CA 2425664 A1 · Owner: Velcro Industries B.V. · Inventors: Provost, George A.; Clune, William; Shepard, William H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reclosable bag is filled through an opening (14) defined between a back side (8') of a folded closure strip (5) secured to an inner surface of the bag on one side (9) of the bag opening, and an inner surface of the other side (10) of the bag opening. The filled bag is sealed by joining the back side (8') of the closure strip to the opposing bag wall (10) at a point (8) outboard of the closure strip and bag opening. The bag is later opened by breaking through a frangible section (7) in a folded portion of the closure strip between mating , bands (46, 48) of hooks and loops. In some cases an extension (92, 9a, 10a) , of one side of the bag forms a handle (4) or a fitment; in …
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 October 11, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 11, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 11, 2023.
- 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.