Woven fastener stringer
CA 1092948 A · Owner: Yoshida Kogyo K.K. · Inventors: Yoshida, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A woven fastener stringer has a row of successively interconnected coupling loops having a head an upper leg, a lower leg and a heel. The row of loops is secured to a longitudinal edge of a woven stringer tape by a plurality of binding warp threads which are interwoven with a continuation of a foundation weft thread. The binding warp threads are pulled down when interwoven with the foundation weft thread in the spaces between each adjacent pair of loops and held in intimate contact with the upper legs so as to prevent the threads from slipping along the loops.
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 January 6, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 6, 1998.
- 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.