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Expired Canadian patentCanada

Block or brick laying guide reinforcing module

CA 1083846 A · Owner: Kanigan, Cecil · Inventors: Kanigan, Cecil

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 plastic or metal web is provided with upper and lower projecting truncated conical members with a surrounding edge band having a thickness equal to the conventional mortar joint between brick or block courses. It is placed on the last laid course with the downwardly extending members frictionally engaging within the apertures in the bricks or blocks. Mortar or other adhesive may be used if desired and the next course is then laid engaging the upwardly projecting members. The spacing of the projecting members is such that the bricks or blocks are aligned spaced and reinforced thus facilitating laying of the bricks or blocks.

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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 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 19, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 1, 1977
GrantedAugust 19, 1980
Term endedAugust 19, 1997
Patent numberCA 1083846 A
Classification (IPC)E04B1/04 +2 more

Timeline

Timeline From CIPO dates

1978198019821984198619881990199219941996Application filedDec 1, 1977Patent grantedAug 19, 1980Term endedAug 19, 1997

Sources & verification

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