Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Takumi Tamezane0
Toshiharu Katagiri0
Date of Patent
June 7, 2011
0Patent Application Number
123530500
Date Filed
January 13, 2009
0Patent Primary Examiner
Patent abstract
A mechanical key code verification system including a mechanical key and a lock apparatus into which the mechanical key is insertable. The mechanical key includes a key body and a key code pattern including a plurality of recessed portions and a plurality of non-recessed portions formed on the at least one plane of the key body, the key code pattern having line symmetry.
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