Slide fastener suitable for use on articles made of plastics material
CA 1290556 C · Owner: Tsubokawa, Yoshitoki · Inventors: Tsubokawa, Yoshitoki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A slide fastener suitable for use on an article made of a plastics material comprises a pair of stringer tapes each including an element-supporting portion formed of a woven or knit fabric, supporting on and along its one longitudinal edge a row of coupling elements. The two rows of coupling elements are in confronting relation to a guide flange of a slider. A web portion made of a plastics material is joined with the element-supporting portion for the attachment to the plastic article. The advance in the art is in that such combination of the fabric element-supporting portion with the plastic web portion provides prolonged service life of the slide fastener without being affected by …
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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
- 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.