Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Greg N. Brandt0
Date of Patent
October 31, 2006
0Patent Application Number
107210190
Date Filed
November 24, 2003
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An improved security cylinder lock and key for operating the cylinder lock are disclosed. The cylinder lock has conventional tumbler locking structure and a secondary locking bar that operates independently of the tumblers. The secondary locking bar prevents operation of the cylinder lock until a properly configured key is placed in the keyway of the cylinder lock.
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