Vehicle light bar antennas
CA 2426243 A1 · Owner: Wilson, Minor · Inventors: Wilson, Minor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An arrangement and method for incorporating one or more communications antennas in the light bar of an emergency vehicle. The antennas can be totally within the light bar or partially within and extending out from the light bar. The antennas can be incorporated in light bars having either metal or plastic covers or tops. Various ground planes such as the light bar metal top, the track within the light bar or a metal strap secured to the top of a plastic light bar cover can be utilized. Both capacitive and direct feed methods for the antennas cam be employed and at any frequency. Known filtering arrangements are provided to accommodate the various communication bands involved.
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 April 17, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 17, 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.