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Expired Canadian patentCanada

Construction device for connecting building elements

CA 1297260 C · Owner: Dek-Block Ontario Ltd. · Inventors: Bright, Sam H.; Hoffman, Paul

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

A body member comprising either a concrete block or molded or stamped product, includes upwardly opening recesses forming an anchor seat for building elements. The recesses may extend fully from side to side and also open out the sides so that building elements can be laid horizontally therein or fully across the body member. The recesses also include a central socket for receiving an upright pillar. Embodiments of the invention may include depending foot members. Embodiments of the invention also include structure for fastening building elements to the body member. A further embodiment employs depending projections at outer portions thereof which frictionally fit on top of a base block and …

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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 March 17, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 17, 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.
FiledMarch 10, 1987
GrantedMarch 17, 1992
Term endedMarch 17, 2009
Patent numberCA 1297260 C
Classification (IPC)E02D27/42 +2 more

Timeline

Timeline From CIPO dates

19881991199419972000200320062009Application filedMarch 10, 1987Patent grantedMarch 17, 1992Term endedMarch 17, 2009

Sources & verification

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