Safety unlocking device of a door lock of a motor vehicle
CA 2421698 A1 · Owner: Daimlerchrysler Ag · Inventors: Hofhauser, Josef Zsolt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a safety unlocking device of a door lock of a motor vehicle, in particular a door lock on a tailgate of a luggage compartment of a passenger vehicle, which compartment can be provided with a child seat, in which the door lock is designed in, particular, for actuation by electric motor and central locking which can be controlled remotely and in which, the door lock is furthermore provided with an inside door handle for opening the door lock from the vehicle interior. The intention is to design the safety unlocking device in a manner such that it can be handled simply and reliably. For this purpose it is distinguished by the following, features: - the door lock can be …
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 12, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 2025.
- 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.