Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Reexamination Certificate
2005-09-23
2009-02-10
Hopkins, Robert A (Department: 1797)
Gas separation
Plural serial basically diverse separating media
Plural stages in unitary casing
C055S343000, C055S346000, C055S426000, C055S429000, C055SDIG030
Reexamination Certificate
active
07488363
ABSTRACT:
A dust collecting unit of a vacuum cleaner is provided. The dust collecting unit includes: a plurality of storing chambers and a plurality of filtering chambers provided in the inside of a multi-cyclone dust collecting unit. To improve reliability of the product, the storing chambers and the filtering chambers are integrally formed as one body.
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Hwang Jung Bae
Hwang Man Tae
Jeong Hoi Kil
Kim Young Ho
Park Min
Hopkins Robert A
LG Electronics Inc.
McKenna Long & Aldridge LLP
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