Passenger entertainment system for coaches
CA 2021458 A1 · Owner: Macdonald, Michael · Inventors: Macdonald, Michael; Gerke, David B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An entertainment system for delivery of video and audio information to individual passengers on coaches such as buses. The system comprises one or more video cassette players one or more, monitors electrically associated with the video cassette players and circuitry to electrically connect the video cassette players and monitors to an electrical power source. A radio transmitter means, powered by the electrical power source is electrically, associated with the video cassette players to effect wireless transmission of audio signals from the video cassette player to a plurality of receiver means positioned in the vicinity of the passengers.
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 July 18, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 18, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 18, 2012.
- 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.