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Expired Canadian patentCanada

System and method for powering a vehicle using radio frequency generators

CA 2609641 C · Owner: Rearden, Llc · Inventors: Perlman, Stephen G.

CIPO record

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Abstract From the Canadian patent

A system and method are described for powering a vehicle using radio frequency ("RF") signals. For example, a method according to one embodiment of the invention comprises: positioning a plurality of RF generators beneath the road surface of a roadway, the RF generators configured to transmit RF signals in the direction of vehicles traveling over the roadway; coupling a rectenna on a vehicle, the rectenna configured to receive the RF signals transmitted from the RF generators and to generate power from the RF signals; and using the power generated by the rectenna to power the vehicle.

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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 April 19, 2006 and granted December 1, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 19, 2026.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 19, 2006
GrantedDecember 1, 2015
Term endedApril 19, 2026
Patent numberCA 2609641 C
Classification (IPC)H02J50/20 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedApril 19, 2006Patent grantedDec 1, 2015Term endedApril 19, 2026

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.