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Expired Canadian patentCanada

Clip attachment

CA 1259778 A · Owner: United Technologies Corporation · Inventors: Memmen, Robert L.

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, Clip Attachment, The segmented wall of the float-wall combustor liner for a gas turbine engine is retained by a clip secured to a post extending radially from the outer wall through an opening in the segmented wall. The clip serves to load the walls radially and has fail-safe features preventing inadvertent dislodging.

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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 September 26, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 26, 2006.
  • 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 29, 1985
GrantedSeptember 26, 1989
Term endedSeptember 26, 2006
Patent numberCA 1259778 A
Classification (IPC)F16B21/18 +2 more

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedMarch 29, 1985Patent grantedSep 26, 1989Term endedSep 26, 2006

Sources & verification

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