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Expired Canadian patentCanada

Cladding systems

CA 1207510 A · Owner: Cheater, Maurice J. · Inventors: Cheater, Maurice J.

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

One aspect of the invention is concerned with a support member for use in supporting cladding sheets. The support member includes a timber length capped by a metallic rail carrying spaced cleats. The cleats are deformable to grip the edges of cladding sheets laid over the support member, and the rail is connected to the timber over its entire length, so reinforcing the timber length. Other aspects of the invention are concerned with roof trusses in which such support members form the top chords, and with cladding systems in which the support members are used.

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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 July 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 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.
FiledAugust 23, 1984
GrantedJuly 15, 1986
Term endedJuly 15, 2003
Patent numberCA 1207510 A
Classification (IPC)E04C3/29 +2 more

Timeline

Timeline From CIPO dates

1985198719891991199319951997199920012003Application filedAug 23, 1984Patent grantedJuly 15, 1986Term endedJuly 15, 2003

Sources & verification

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