Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Qiu Jian Ping0
Date of Patent
November 24, 2009
Patent Application Number
11523857
Date Filed
September 20, 2006
Patent Citations Received
Patent Primary Examiner
Patent abstract
A utility knife having a casing, a blade holder moveably mounted within the casing, the blade holder is moveable incrementally from a fully extended position outside the casing to a fully retracted position inside the casing so that the blade holder may be positioned in a partially extended position.
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