Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 9, 2009
Patent Application Number
11893959
Date Filed
August 17, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A plow has an upper blade. A lower forward-plowing blade is coupled to the upper blade. The lower forward-plowing blade is configured to engage material to be plowed when the plow is plowing in a forward direction. A back-blade is pivotally coupled to the upper blade and elastically coupled to the upper blade. The back-blade is configured to engage material to be plowed when the plow is plowing in a reverse direction opposite the forward direction.
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