Linerless closure cap
CA 1188256 A · Owner: Anchor Cap & Closure Corporation Of Canada Limited · Inventors: Marks, Walter J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A one-piece molded closure cap having a cover and a depending skirt. There are container engaging means on the skirt for engaging cap engaging means on the container. There is a downwardly projecting sealing rim on the underside of the cap cover positioned for engaging the container rim. The sealing ring has a flared and curving radially inner corner sealing surface including an intermediate ring-like top scaling projection.
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 4, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 4, 2002.
- 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.