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Expired Canadian patentCanada

Roof edge construction

CA 1269512 C · Owner: Hickman, John B. · Inventors: Hickman, John B.; Webb, Russell

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

An assembly is disclosed for forming a raised roof edge on a building structure that preferably has a generally horizontal roof and a generally vertical outer face. The assembly includes a dam member for forming a water dam or gravel stop, a fascia member and a separate spring, clip member interposed therebetween for resiliently biasing the fascia member into a relatively tight and rattle-free interlocking installation on the dam member. Preferably, a roofing material is interposed between the spring clip member and the dam member and is frictionally secured and anchored therebetween as a result of the resilient biasing forces of the resilient spring clip member. The roof edge assembly …

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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 29, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 2007.
  • 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 12, 1986
GrantedMay 29, 1990
Term endedMay 29, 2007
Patent numberCA 1269512 C
Classification (IPC)E04D13/15 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedMarch 12, 1986Patent grantedMay 29, 1990Term endedMay 29, 2007

Sources & verification

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