Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2011-08-02
2011-08-02
Van Nguyen, Dung (Department: 3723)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S352000
Reexamination Certificate
active
07987551
ABSTRACT:
A vacuum cleaner is provided. The vacuum cleaner may include a dust collection container that stores dust, a compression member that is provided in the dust collection container and which is capable of rotating in first and second directions, and a driver that rotates the compression member. The compression member rotates in a first space corresponding to a first angle range and at least a portion of the dust is stored in a second space corresponding to a second angle range.
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Choo Jong Su
Ha Gun Ho
Hwang Man Tae
Hyun Kie Tak
Jeong Hoi Kil
KED & Associates LLP
LG Electronics Inc.
Nguyen Dung Van
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