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Expired Canadian patentCanada

Tamper respondent covering

CA 2563240 C · Owner: Hunter, Stephen · Inventors: Hunter, Stephen

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The present invention relates to a tamper respondent covering (10) wherein the covering (10) is adapted for mounting on a surface having at least one item (14, 16) disposed thereon, said tamper respondent covering (10) comprising a covering member defining a recess (28) and at least one non-metallic , detecting element having an electrical characteristic disposed on said covering member, wherein said covering member is adapted for mounting on the surface and covering and protecting said at least one item (14 16) on the , surface such that damage to said at least non-metallic detecting element results in a detectable variation to said electrical characteristic.

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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 6, 2005 and granted March 12, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 6, 2025.
  • 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 6, 2005
GrantedMarch 12, 2013
Term endedApril 6, 2025
Patent numberCA 2563240 C
Classification (IPC)H01L23/58 +1 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 6, 2005Patent grantedMarch 12, 2013Term endedApril 6, 2025

Sources & verification

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