Pull tab on tear strip on plastic cover, including break tab feature, and related apparatus and methods
CA 2425492 C · Owner: Luburic, Frano · Inventors: Luburic, Frano
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and related methods for a container lid include a pull structure affixed to at least one end of a tamper evident tearstrip and positioned in an outer flange of the lid the pull structure having a portion shaped to receive and engage a manipulator such as at least one finger of a user's hand to assist the user to initiate tearing of the tearstrip from the lid. The shaped portion of the pull structure is configured to eliminate the need to grip the tearstrip between opposing digits of the user's hand. The lid may further include an extendible connection member positioned on at least one end of the tearstrip in an area or space generally defined as a "well." Among other things 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 April 2, 2003 and granted September 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 2, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 2, 2025.
- 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.