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Expired Canadian patentCanada

Electrostatic discharge device

CA 1332070 C · Owner: Belanger, Thomas D. Jr. · Inventors: Belanger, Thomas D. Jr.; Johnson, Roy L.

CIPO record

Overview

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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 device for conducting electrostatic potentials to a protection ground is disclosed. The device includes an electrically conductive center section mounted on a substrate mounting device with the center, section electrically connected to the protection ground. First and second arms having an electrically conductive coating extend from opposite sides of the the center section. During the installation of a circuit substrate to the substrate mounting device an associated arm is arranged to contact a metalized edge of the circuit substrate providing an electrical path for discharging electrostatic potentials from the circuit substrate to the protection ground.

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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

  • Granted September 20, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 20, 2011.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 16, 1988
GrantedSeptember 20, 1994
Term endedSeptember 20, 2011
Patent numberCA 1332070 C
Classification (IPC)H05F3/02

Timeline

Timeline From CIPO dates

19891992199519982001200420072010Application filedDec 16, 1988Patent grantedSep 20, 1994Term endedSep 20, 2011

Sources & verification

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