Knit slide fastener stringer
CA 2207151 C · Owner: Ikeguchi, Yoshito · Inventors: Matsuda, Yoshio; Ikeguchi, Yoshito; Kato, Hidenobu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A knit slide fastener stringer including a fastener tape knitted in a warp-knit ground structure and having along one longitudinal edge an element-attaching portion, and a continuous fastener element row knitted in and along the element-attaching portion of the fastener tape and secured by two or more wales of anchoring chain stitch yarns simultaneously with the knitting of the fastener tape. In this knit slide fastener stringer, successive needle loops of each of the two or more wales formed of the anchoring chain stitch yarns press the continuous fastener element row toward the warp-knit structure of said fastener tape from the upper side, and successive sinker loops constitute part of …
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 June 6, 1997 and granted May 23, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 6, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 6, 2019.
- 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.