Process for sewing in the edge region of a piece of woven material to prevent fraying
CA 1069768 A · Owner: Mefina S.A. · Inventors: Aubort, Roland
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for sewing the edge of a woven material to prevent fraying, by sewing alternately at least two stitches along the edge of the material and at least two stitches parallel to the edge of the material but spaced from the edge, with zigzag connecting stitches joining the two rows, where the stitches along the edge and the connecting stitches are sewn in a direction opposite to the stitches parallel to and spaced from the edge.
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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
- 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.