Apparatus for delivering button body
CA 2012016 C · Owner: Ykk Corporation · Inventors: Kanzaka, Yoshihiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for Delivering Button Body, Abstract of the Disclosure An apparatus for delivering a button body with a hub and a flange applied to a part between a chute through which the button body is fed gravitationally from a hopper and a button feeder of a button applicator to which the button body is delivered. According to a preferred embodiment, a receiving member which is pivotably, fixed to a stopper placed facing an outlet of the chute and which is urged to the chute by a spring, has a receiving projection as well as a cam projection. A pusher moving backward and forward along a space between the receiving member and the outlet of the chute is provided with a cam receiving surface …
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
- Filed March 13, 1990 and granted December 21, 1993. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 13, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 13, 2012.
- 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.