Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2005-11-23
2009-11-03
Thomas, David B (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S355000, C015S385000
Reexamination Certificate
active
07610651
ABSTRACT:
Disclosed herein is an automatic cleaning device. The automatic cleaning device comprises an air injector, and at least one side brush. If air is suctioned into a body in accordance with operation of a suction motor, the air injector operates to inject the air to the outside of the body, to sweep out dust on the wall and corner of a room. The side brush serves to push the dust to a suction head.
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Birch & Stewart Kolasch & Birch, LLP
LG Electronics Inc.
Thomas David B
LandOfFree
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