Button collet
CA 1331276 C · Owner: Yoshida Kogyo K.K. · Inventors: Kanzaka, Yoshihiro; Watanabe, Hirokazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
S, A button collet is disclosed for use with a mating tack to form a button on a garment fabric. The collet includes a cap having a dove-tail cavity an insert member, adhesively bonded in place therein and a shank member or, eyelet fixedly secured to the insert member. The insert member has a plurality of clamping lugs which are crimped around a flanged peripheral edge of the shank and a plurality of peripheral notches in spaced apart relation alternating with the clamping lugs.
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 August 9, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 9, 2011.
- 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.