Patent Yard Sign in
Expired Canadian patentCanada

Removable stiffening disk

CA 1265062 C · Owner: Kirkpatrick, Ralph A. · Inventors: Kroger, Gerard P.; Kirkpatrick, Ralph A.

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 removable disk for an annular casing in a turbomachine is disclosed. The disk is coaxial with the casing and slideably engagable with the casing in ambient conditions. The disk radially contacts the casing during operation so as to provide increased stiffness to the casing.

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 January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 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.
FiledFebruary 7, 1986
GrantedJanuary 30, 1990
Term endedJanuary 30, 2007
Patent numberCA 1265062 C
Classification (IPC)F01D5/26 +1 more

Timeline

Timeline From CIPO dates

1987199019931996199920022005Application filedFeb 7, 1986Patent grantedJan 30, 1990Term endedJan 30, 2007

Sources & verification

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