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Expired Canadian patentCanada

Basement waterproofing system

CA 1077729 A · Owner: Difiore, Dante · Inventors: Difiore, Dante

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

Abstract A method of overcoming the problem of water seeping into the basement of a dwelling or other structure includes procedures for treating a hollow basement wall and for treating the footer drainage tile system which extends perimetrically around the basement wall footer. Wall treatment is effected by pumping a hardenable filler material in fluid form, into the hollow wall to fill and seal the hollow wall portions as the filler material hardens. The filler material also operates to fill and seal cracks formed in the outer surface of the wall. Drainage tile system treatment is effected by digging a plurality of holes at spaced locations around the perimeter of the basement wall to …

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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 May 20, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 20, 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.
Filed—
GrantedMay 20, 1980
Term endedMay 20, 1997
Patent numberCA 1077729 A
Classification (IPC)E02D31/02 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedMay 20, 1980Term endedMay 20, 1997

Sources & verification

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