Auto-lock slider for concealed slide fastener
CA 2129868 C · Owner: Ykk Corporation · Inventors: Yaguramaki, Iwao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An auto-lock slider, for a concealed slide fastener, comprises: a slider body having a guide lug having in its upper portion a locking-lever-receiving groove and a leaf-spring-receiving portion: a locking lever received in the locking-lever-receiving groove, the locking lever having at one end a locking claw and at the other end an anchor portion; a horizontal U-shape leaf spring covering the locking lever at a side toward the anchor portion in such a manner that the anchor portion is pivotably held within the groove and the locking claw is resiliently urged to project into a coupling-element-guide channel in the body. Since the number of components of the slider is small, the slider can be …
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
- Filed August 10, 1994 and granted February 2, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 10, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 10, 2016.
- 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.