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Expired Canadian patentCanada

Non-wicking siding

CA 1283522 C · Owner: Kelly, Kevin · Inventors: Kelly, Kevin

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

Inventor: KEVIN KELLY, Title: NON-WICKING SIDING Abstract of the Disclosure, Clapboard siding has a channel rabbeted at the back bottom edge to prevent wicking of rainwater between clapboards and has a plurality of vertical vent channels or grooves cut in the back surface so that air can vent into the space between the structure and the siding.

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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 April 30, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 30, 2008.
  • 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 31, 1986
GrantedApril 30, 1991
Term endedApril 30, 2008
Patent numberCA 1283522 C
Classification (IPC)E04D1/00 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedDec 31, 1986Patent grantedApril 30, 1991Term endedApril 30, 2008

Sources & verification

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