Containers having fluid-tight sealing means
CA 1052327 A · Owner: Airflex Containers Limited · Inventors: Hickey, Christopher D.D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A, "IMPROVEMENTS IN OR RELATING TO CONTAINERS HAVING FLUID-TIGHT SEALING MEANS", ABSTRACT OF THE DISCLOSURE In a container of the kind having an impermeable base and a flexible cover which is sealed into a groove or slot in the base to form an airtight package the cover, has, around its periphery, an endless male member for engaging in the slot or groove, e.g. an endless inflatable tube, which is resiliently gripped in the slot or groove. 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 April 10, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 1996.
- 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.