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Expired Canadian patentCanada

Panel mounting clip

CA 1090980 A · Owner: Amca International Corporation · Inventors: Heckelsberg, Robert E.

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

A panel mounting clip is adapted to connect metal roof panels to roof purlins and comprises a base part that is fastened to the purlin and a flexible tab part that is resiliently and slidably connected at one end to the base and at the other end is interlocked with the seamed sidewalls of the roof panels.

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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 December 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 26, 1978
GrantedDecember 9, 1980
Term endedDecember 9, 1997
Patent numberCA 1090980 A
Classification (IPC)E04D3/16 +2 more

Timeline

Timeline From CIPO dates

1979198119831985198719891991199319951997Application filedOct 26, 1978Patent grantedDec 9, 1980Term endedDec 9, 1997

Sources & verification

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