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Expired Canadian patentCanada

Title reinforcing grid

CA 1257105 A · Owner: Degooyer, Lonnie · Inventors: Degooyer, Lonnie

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 modular reinforcing grid for reinforcing and supporting a bed of mortar on a supporting surface. The grid is made up of thin strips positioned on edge and arranged to define openings of geometric shape. Mounting posts form junctions between adjacent strips to provide uniform depth to the grid. The exposed edges of the strips and the upper surfaces of the mounting posts lie in approximately the same plane to provide a grid for floating the mortar to a uniform depth. The grid is molded in uniform sizes and shapes with interlocking edges to provide continuous reinforcement and support for the mortar bed.

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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 11, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 11, 2006.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 18, 1985
GrantedJuly 11, 1989
Term endedJuly 11, 2006
Patent numberCA 1257105 A
Classification (IPC)E04F15/14 +1 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedNov 18, 1985Patent grantedJuly 11, 1989Term endedJuly 11, 2006

Sources & verification

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