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Expired Canadian patentCanada

Restoring stranded conductor electrical distribution cable

CA 1339672 C · Owner: Vincent, Gary Allen · Inventors: Vincent, Gary Allen; Meyer, Daniel Frederick

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 method for restoring a stranded conductor polyolefin insulated electrical distribution cable which comprises supplying the interstices of the conductor of said cable with aromatic radical containing silanes such as phenyltrimethoxysilane or phenylmethyldimethoxysilane and, mixtures, and partial hydrolyzates thereof.

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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 February 17, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 17, 2015.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 16, 1987
GrantedFebruary 17, 1998
Term endedFebruary 17, 2015
Patent numberCA 1339672 C
Classification (IPC)H01B7/28 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006200920122015Application filedSep 16, 1987Patent grantedFeb 17, 1998Term endedFeb 17, 2015

Sources & verification

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