Multiple compartment bags
CA 2194804 A1 · Owner: Davoren, Gerard A. · Inventors: Davoren, Gerard A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multiple compartment bag comprises a backing sheet part and a cover sheet part forming a first compartment open at its top end. A second compartment is formed by a shorter compartment forming sheet part and a shorter closure sheet part overlying the cover sheet part and one another, these smaller sheets being sealed at their edges to the edges of the two larger sheets. The opening to the second compartment is labyrinthine being between, the closure sheet part bottom edge and the overlying compartment forming sheet part top edge portion. Such a bag is especially suited for the reception of a relatively large flat article in one compartment, such as a magazine or newspaper, and a smaller …
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 10, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 10, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 10, 2019.
- 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.