Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 7, 2008
Patent Application Number
11564196
Date Filed
November 28, 2006
Patent Primary Examiner
Patent abstract
A portable vapor containment structure has a support frame, at least three wheels to roll the support frame about the ground and wheel retractors for retracting each of the wheels so as to allow the frame to be lowered to the ground. Typically, the apparatus further includes an enclosed vapor containment compartment mounted upon the support frame attached to the support frame. The vapor containment compartment has a bottom opening located within the perimeter of the support frame.
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