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Expired Canadian patentCanada

Picket attachment

CA 1306633 C · Owner: Zen, Giuseppe · Inventors: Zen, Giuseppe

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 structure useful as a balustrade or fence, comprising a rail attached to a plurality of pickets. The rail has first and second longitudinal members that are pressed together to form the rail. There are spaced openings formed in one longitudinal member with an open edge for each opening at an edge of the longitudinal member, Channels are formed in each side of the picket member, adjacent an end of the picket member. There are projections on the first and second members, adjacent to each opening. Each projection is received in a channel of a picket. The arrangement of channels and projections provides a rattle-free structure. The structure can be further improved by the incorporation of a …

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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 August 25, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 2009.
  • 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 25, 1989
GrantedAugust 25, 1992
Term endedAugust 25, 2009
Patent numberCA 1306633 C
Classification (IPC)E04H17/14 +1 more

Timeline

Timeline From CIPO dates

1990199219941996199820002002200420062008Application filedSep 25, 1989Patent grantedAug 25, 1992Term endedAug 25, 2009

Sources & verification

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