Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 6, 2010
Patent Application Number
11683569
Date Filed
March 8, 2007
Patent Citations Received
Patent Primary Examiner
Patent abstract
A surface cleaning apparatus comprises a dirt inlet, a handle, at least a first cleaning stage comprising a plurality of cyclones in parallel and a plurality of dirt collection chambers that are emptied concurrently wherein the plurality of cyclones and the plurality of dirt collection chambers are removable as a unit from the surface cleaning apparatus, and an air flow motor.
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