Wound film dispenser with interior retainers and method for manufacturing same
CA 2413644 A1 · Owner: Linder, Alan John · Inventors: Gerulski, Kristopher W.; Linder, Alan John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A dispenser for rolls of wound film is disclosed as well as a method of, manufacturing such a dispenser. The dispenser includes a trunk to which a lid is hingedly attached. First and second end walls of the trunk include retainers adapted to penetrate into hollow ends of a roll of wound film disposed within the trunk. The first and second retainers include multiple flaps which are locked into a penetrating position. The multiple flaps may include first and second parallel wing flaps which are pushed inwardly by a locking flap. The combined flaps may be locked into position by frictional engagement of the locking flap in notches provided in the first and second wing flaps. By penetrating the …
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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 December 5, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 5, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 5, 2024.
- 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.