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Expired Canadian patentCanada

Line tie assembly with captured cushioning pad

CA 1290831 C · Owner: Helical Line Products Company · Inventors: Weir, James A.

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 line tie assembly for securing an elongated line conductor to a line support insulator includes a pair of single-strand line tie components. The line tie components each have a pair of leg portions with helical preformed configurations and a generally U-shaped bight portion integrally interconnecting the leg portions. A generally flat flexible cushioning pad composed of resilient material is pivotally connected to and extends between the bight portions of the line tie components. The bight portions of the respective line tie components hook about a reduced diameter neck portion of the insulator on opposite sides thereof. The leg portions wrap about respective adjacent portions of the line …

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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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
  • 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 30, 1987
GrantedOctober 15, 1991
Term endedOctober 15, 2008
Patent numberCA 1290831 C
Classification (IPC)H01B17/22

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedDec 30, 1987Patent grantedOct 15, 1991Term endedOct 15, 2008

Sources & verification

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