Fastening means of bootlace
CA 1191342 A · Owner: Ahn, Yu H. · Inventors: Ahn, Yu H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A bootlace fastening means is described comprising two upright, and serrated side edges provided on either side of a cut open portion of a boot to form teeth and notches all along its length each tooth having an eyelet and projecting upward in the same direction of lace running diagonally from one eyelet to the next-upper one on the other side to effect a better delivery of power of pull on eyelets for even tightening and each of the teeth and notches gradually becoming greater in width and height step by step upwards equally on either side to effect a larger spacing between adjacent eyelets at each step upwards consequently, resulting in a smaller number of eyelets in all and in less …
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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 August 6, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 6, 2002.
- 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.