Protective device for container handhold openings
CA 2271485 A1 · Owner: Capitol Packaging Corporation · Inventors: Sainz, Joseph S.; Sainz, Raymond R.; Mccarthy, Lynn J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A protective device (30) is disclosed for inhibiting the ingress of unwanted materials through a handhold opening in a container. The device (30) includes a mounting panel (32) with a portal (50) therein an adhesive (34) securing , and sealing the mounting panel (32) to the container a deadening material , (44) inhibiting adherence to a portion of the container wall and an exclusion , panel (36) secured on an opposite side of the device (30) from the adhesive (34). The portal (50) may be formed as an opening or by scoring (52 54) , defining a tear-away section. A method of producing the device (30) is also disclosed.
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 November 17, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 17, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 17, 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.