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Expired Canadian patentCanada

Fusing conductive element into conductive matrix using half-wave interrupted pulses

CA 1212070 A · Owner: Metafuse Limited · Inventors: Joseph, Ady

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 process for the fusion of a second conductive element into the matrix of a first conductive element is provided in which the second element either as a solid or as a dissociable solution is placed in contact with the first conductive element and subjected to an interrupted electrical signal of a predetermined frequency.

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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 30, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 30, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 11, 1982
GrantedSeptember 30, 1986
Term endedSeptember 30, 2003
Patent numberCA 1212070 A
Classification (IPC)C25D5/18 +1 more

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedJan 11, 1982Patent grantedSep 30, 1986Term endedSep 30, 2003

Sources & verification

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