Adjustable watch bracelet clasp
CA 1237289 A · Owner: Lin, Sen-Yi · Inventors: Lin, Sen-Yi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A clasp for adjustably fastening the ends of a wrist watch bracelet has an upper and a lower arm pivoted together at one end. The other end of the upper arm has a hook that lockingly engages with a pin of the lower arm that serves as a pivot for a fixing piece of the lower arm bearing against one end of the bracelet. The fixing piece also bears against an anti-slip piece pivoted to the lower arm and likewise bearing against the one end of the bracelet. The other end of the bracelet is clamped between two pressing pieces that cooperate together and that are pivotally mounted over the outer surface of the upper arm rearwardly of the hook.
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 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.