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Expired Canadian patentCanada

Cylinder anchor

CA 1257979 A · Owner: Best Lock Corporation · Inventors: Foshee, William R.

CIPO record

Overview

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

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Abstract From the Canadian patent

An improved lock cylinder assembly is mountable in a lock case and includes a lock body having an exterior side wall. The lock cylinder assembly is mountable in the lock case and fixable in a selected position therein by a rotation-blocking side setscrew and a cylinder-anchoring hidden setscrew. The lock body is formed to include a cavity for the reception of an interchangeable lock core, at least one elongated channel having a longitudinal axis, the channel including an opening in the exterior side wall for the reception of the side setscrew, and a bore having a longitudinal axis for the reception of a hidden setscrew. The bore extends between the lock body cavity and the exterior side …

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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 August 1, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 1, 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.
FiledSeptember 16, 1985
GrantedAugust 1, 1989
Term endedAugust 1, 2006
Patent numberCA 1257979 A
Classification (IPC)E05B9/08

Timeline

Timeline From CIPO dates

1986198919921995199820012004Application filedSep 16, 1985Patent grantedAug 1, 1989Term endedAug 1, 2006

Sources & verification

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