Bottom end tape seal
CA 1085752 A · Owner: Continental Group, Inc. (The) · Inventors: Erlandson, Paul M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two-piece can wherein the can body is of a drawn and wall ironed construction having an integral bottom with the bottom being in the form of a reinforced structure including alternating projecting ribs and recessed areas. The top of the can is closed by a conventional end unit. In use, the bottom becomes the top and the bottom is provided with a dispensing opening which is closed by a sealing tape. There are several embodiments of the end structure with there being different positions for the dispensing opening therein and different relationships of the sealing tape with respect to the end structure.
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 September 16, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 16, 1997.
- 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.