Buckle
CA 1317439 C · Owner: Kasai, Kazumi · Inventors: Kasai, Kazumi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
BUCKLE, A buckle includes a male member having a tongue-shaped presser having on its lower side a pair of engaging legs and a female member including in its upper side an aperture for insertion of the engaging legs, and a pair of transversely spaced resilient arms adapted for angular movement around their proximal ends against their own resiliency, the arms having on their middles engaging means for engagement with the engaging legs when the engaging legs are forced through an aperture. Uncoupling means are rotatably mounted on the upper side of the female member and so operatively linked with the free ends of the resilient arms that the rotation of the uncoupling means causes the resilient …
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 May 11, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 2010.
- 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.