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Expired Canadian patentCanada

Mounting for solar-type mirror reflectors

CA 1110839 A · Owner: Saint-Gobain Industries · Inventors: Epie, Jean-Claude; Grassin, Jerome; Thouvenin, Maurice

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

The specification describes an apparatus for forming a contour in a deformable object and for securing the object to a support member which is rigid enough to hold the object in the contour to which it has been deformed the apparatus, comprising: a first structure in which is secured the support member, at least two spaced-apart thrust bearings designed to receive the deformable object, a track mounted on a second structure and having a contour that has the same shape as the contour to which it is desired to deform the deformable object a carriage mounted on the track and movable thereon through the contour on the track, means mounted on the carriage for deforming the deformable object into …

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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 October 20, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 20, 1998.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 30, 1980
GrantedOctober 20, 1981
Term endedOctober 20, 1998
Patent numberCA 1110839 A
Classification (IPC)B29D11/00 +2 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Application filedJan 30, 1980Patent grantedOct 20, 1981Term endedOct 20, 1998

Sources & verification

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