Safety closure device
CA 1060385 A · Owner: International Tools (1973) Limited · Inventors: Hedgewick, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A safety package including a container having a neck or mouth portion with an annular rim and a one-piece molded plastic, childproof safety cap. The cap includes an annular base portion and an axially extending cylindrical outer flange projecting from the outer periphery of the annular base portion to fit over the neck of the container in telescoped relationship therewith. A plurality of spaced cap locking elements or locking formations, project inwardly from the inner surface of the outer flange for cooperation with complementary container locking elements or for-, mations, on the container neck such that combined axial and rotary motion is required when the cap is applied to and removed …
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 August 14, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 14, 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.