Pierced earring
CA 2331560 A1 · Owner: Zaza International Co. Ltd. · Inventors: Tanio, Yoshiyuki
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pierced earring comprising a pierced earring body (3) and a needle (2) fitted to the pierced earring body (3) to be rotatable in a lateral direction around its base, wherein the needle (2) after its free end is inserted into a pierced hole in an earlobe, is fixed to a fixed part (4) of the pierced earring body (3) to be detachable in a lateral direction and the pierced , earring body (3) is supported via the needle (2) while suspended from the earlobe. The hanging part (4) comprises an inlet (7) for letting the free end of the needle (2) enter when it rotates in the lateral direction; a withdrawal restraint (6) to give resistance to a sideward withdrawal of the free end of 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
- Filed May 14, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 14, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 14, 2020.
- 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.