Token with releasable keyring attachment means
CA 2195266 A1 · Owner: Kungl, Helmut D. · Inventors: Kungl, Helmut D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A token is provided for use in releasing lock mechanisms, with the token being releasably attachable to a keyring or the like. The token comprises a generally flat body having a generally radial slot communicating with the rim of the token. The slot extends transversely through the token, and defines releasable retainer means. The slot may incorporate a narrowed neck portion to releasably retain the token to the keyring with biasing, means to permit the neck to be widened to permit passage of a keyring or the like through the neck into an interior portion of the slot and to subsequently retain the keyring within the interior of the slot. The biasing means may be provided by the resilient …
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 January 16, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 16, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 16, 2019.
- 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.