Complex lock assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 20, 2010
Grant Date -
May 29, 2008
app pub date -
Nov 28, 2006
filing date -
Nov 28, 2006
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The complex lock has a housing, a number core, a key cylinder and a number detector. The number core, the key cylinder and the number detector are located inside of the housing. The complex lock can be unlock by a key and unlock number. When the unlock numbers are missed or forgotten, the number detector is able to find the unlock number again so that the complex lock can be unlock by the unlock number again.
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