Tab construction for easy opening container
CA 1104075 A · Owner: Continental Group, Inc. (The) · Inventors: Mazurek, Stanley L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A non-detachable tab adapted to be secured to the end panel of a container which comprises a securing lug formed from the sheet metal of the tab the lug having an, attachment to the nose portion of the lug in an area which has not been work hardened and also which has been formed to provide several axes of hinging and thereby increasing the number of times that the tab can be hinged back and forth without breaking off. -1-
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
- Granted June 30, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 1998.
- 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.