Security/prevention system with related device
CA 2177369 A1 · Owner: Stern, Ivan · Inventors: Stern, Ivan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The base of the security/prevention system is an electronic device which has the capability of joining the performance of two functions i.e. prevention of road accidents and theft protection of vehicles using the principle of joint use of frequencies whereby interference with, the device's operation is prevented. The invention allows on the one hand, such application in road traffic prevention in which an electronic security device installed in a vehicle provides passive or active warning of participants in the traffic as to possible momentary dangers requiring quick reaction of the driver. On the other hand the invention allows such application in road traffic safety in which an electronic …
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 December 2, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 2, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 2, 2016.
- 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.