Emergency vehicle traffic signal control
CA 2302998 A1 · Owner: Reeve, Harold Gordon · Inventors: Reeve, Harold Gordon
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The "Emergency Vehicle Traffic Signal Control" is simply a device that enables emergency vehicles such as ambulance fire, and police to, automatically control traffic signals at an intersection to safely direct the flow of traffic and better accommodate the driver of the emergency vehicle to proceed through a given intersection in a much safer capacity and in much less time than currently is occurring. Faster response to the scene of an emergency will save billions of dollars in property losses; but more importantly will save lives and decrease injury complications. This device will also greatly enhance the safety of all emergency vehicle personnel, motorists and pedestrians. One feature …
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 23, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 23, 2022.
- 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.