Patent Yard Sign in
Expired Canadian patentCanada

Roofing tile

CA 1281881 C · Owner: Tuiles De Geneve L.T.G. (1993) Inc. (Les) · Inventors: Ferland, Edouard

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A roofing tile comprises a rectangular panel having longitudinal edge portions adapted to extend in the slope direction of a sloped roof and an upper lateral edge and a lower lateral edge is adapted to run parallel to the horizontal edges of the sloped roof. The upper lateral edge and one longitudinal edge portion has an upstanding ledge portion. The other longitudinal edge portion has a raised portion with a downwardly extending flange. The raised portion is adapted to overlap the upstanding ledge of the one longitudinal edge portion. The bottom edge portion has a downwardly extending flange adapted to overlap the upstanding ledge at the upper edge portion. A lower portion of the one …

Read the whole patent

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 March 26, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 26, 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.
FiledSeptember 16, 1986
GrantedMarch 26, 1991
Term endedMarch 26, 2008
Patent numberCA 1281881 C
Classification (IPC)E04D1/00 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedSep 16, 1986Patent grantedMarch 26, 1991Term endedMarch 26, 2008

Sources & verification

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