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Expired Canadian patentCanada

Cylinder lock

CA 1207546 A · Owner: Taboola Pty Limited · Inventors: Preddey, Brian F.

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

A cylinder lock having a generally cylindrical barrel with a barrel body within which are slidably located a plurality of locking pins which intersect the keyway in the cylinder lock to thereby engage a key located in the keyway. The locking pins are arranged in two sets which extend generally longitudinally of the body with the locking pins secured within the body to prevent rotation about the axis of movement of the pins.

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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 July 15, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 15, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 25, 1982
GrantedJuly 15, 1986
Term endedJuly 15, 2003
Patent numberCA 1207546 A
Classification (IPC)E05B27/06

Timeline

Timeline From CIPO dates

1983198619891992199519982001Application filedMay 25, 1982Patent grantedJuly 15, 1986Term endedJuly 15, 2003

Sources & verification

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