Pop-off lever
CA 2355544 A1 · Owner: Collier, John J. · Inventors: Collier, John J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A simple plastic lid removing device, Designed for people with hurting Hands to remove lids from small, Plastic containers such as ice cream Cottage cheese, sour cream nibs, etc. It consists of a special body with a Handle, a hook, fulcrum, and a screw. With the fulcrum resting on the top of the plastic lid, and the hook, inserted under the lip of the plastic lid a downward pressure on the handle, rolls the fulcrum towards the center of the lid. This action forces the point of the tool with hook in place under the lip of the lid up and separates the edge of the lid from the container, making, it easy to lift up and off with the tool in hand.
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 August 4, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 4, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 4, 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.