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Expired Canadian patentCanada

Section for building

CA 1203660 A · Owner: Yoshida Kogyo K.K. · Inventors: Gartner, Karl

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 section for building used for vertical frame members and horizontal frame members for a curtain wall or a window sash. The section comprises a batten arranged so as to oppose to a mounting piece integrally formed on a short side wall on one side of a body and secured to the opposed surface of said mounting piece leaving a predetermined space, at least one connecting plate mounted between said batten and said mounting piece and a, connecting body disposed in the remaining space between said mounting piece and said batten in such a way that a space is left between said connecting plate and said connecting body.

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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 April 29, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 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.
FiledJuly 27, 1983
GrantedApril 29, 1986
Term endedApril 29, 2003
Patent numberCA 1203660 A
Classification (IPC)E04B2/88 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJuly 27, 1983Patent grantedApril 29, 1986Term endedApril 29, 2003

Sources & verification

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