Manual cut-off system and method for passive safety devices
CA 2252995 C · Owner: Toyota Jidosha Kabushiki Kaisha · Inventors: Tsubone, Kenji
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A manual cut-off system makes it possible to manually change operability of each of a plurality of passive safety devices including air bags. The system , aims at accurately maintaining operability of each of the passive safety devices until the air, bags are required to operate. If a multistage switch for changing operability of each of, the passive safety devices including air bags, assumes a position for preventing, operation of predetermined ones of the passive safety devices ignition , signals are, prevented from being outputted to squibs corresponding to those predetermined passive safety devices. A CPU detects a state of the multistage switch based on the, voltage between a …
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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 December 1, 1998 and granted July 30, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 1, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 1, 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.