Button
CA 1283526 C · Owner: Watanabe, Hirokazu · Inventors: Watanabe, Hirokazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tiltable button has a two-piece interior part of rigid material including a disk-like member non-turnably held between a cap and a button back, and a separate socket member extending through a hollow hub of the button back and joined with a tack member with a garment fabric therebetween. The disk-like member has at least one unyielding off-center leg. The embodiment shown in the drawings has two such legs diametrically opposed. The socket member has a collar portion which is loosely received in the hollow hub and through which extend one or more grooves receptive of one or more of said legs so that the disk-like member and hence the button body can be manually tilted with respect to the …
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 April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
- 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.