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Expired Canadian patentCanada

Printed circuit device with integrated antenna and implantable sensor processing system with integrated printed circuit board antenna

CA 2522694 C · Owner: Sensors For Medicine And Science, Inc. · Inventors: Colvin, Jr. Arthur E.; Mcleod, Benjamin N.; Lesho, Jeffery C.

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A printed circuit device used in conjunction with inductive power and data transmission applications is formed substantially of ferrite material with an , inductive coil conductor formed around the substrate to increase the electromagnetic properties of the coil for both power and data transmission functions, thereby eliminating the need for a discrete ferrite core wire-wound coil to be connected to the circuit device.

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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 14, 2004 and granted July 8, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 14, 2024.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 14, 2026.
  • 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 14, 2004
GrantedJuly 8, 2014
Term endedApril 14, 2024
Patent numberCA 2522694 C
Classification (IPC)H05K1/16 +1 more

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedApril 14, 2004Patent grantedJuly 8, 2014Term endedApril 14, 2024

Sources & verification

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