Slide fastener stringer
CA 1104328 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 slide fastener stringer comprises a stringer tape and a row of continuous meandering fastener elements fixed by sewing threads to one longitudinal edge of the tape the, elements being reinforced by a braid mounted on and extending along the element row. The slide fastener stringer has a cut edge where the tape, extreme one of the fastener elements sewing threads, and braid, all including thermoplastic synthetic resin material, are fused together against raveling of the cut ends of the tape, sewing threads and braid, and, against sticking up of the element from the tape. The extreme fastener element has a pair of upper and lower legs one on each side of the tape, the legs being wrapped …
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 July 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 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.