Dust collection unit for vacuum cleaner

Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing

Reexamination Certificate

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Details

C055S357000, C055S345000, C055S346000, C055S428000, C055S429000, C015S352000, C015S353000

Reexamination Certificate

active

07857878

ABSTRACT:
A dust collection unit for a vacuum cleaner includes a first dust collection part for filtering foreign objects in air, a second dust collection part for filtering foreign objects in the air that has passed through the first dust collection part, and a dust collection container having first and second dust collection chambers that correspond to the first and second dust collection parts, respectively. The first and second dust collection chambers store the foreign objects filtered by the respectively first and second dust collection parts in a state where parts of the respective first and second dust collection parts are received in the respective first and second dust collection chambers and the first and second dust collection chambers are provided in a line.

REFERENCES:
patent: 2010128 (1935-08-01), Arnold
patent: 2143144 (1939-01-01), Fagerberg
patent: 2553175 (1951-05-01), Davenport et al.
patent: 3425192 (1969-02-01), Davis
patent: D484286 (2003-12-01), Dyson et al.
patent: 6679930 (2004-01-01), An et al.
patent: 6835222 (2004-12-01), Gammack
patent: 7128770 (2006-10-01), Oh et al.
patent: 7309368 (2007-12-01), Oh et al.
patent: 7335242 (2008-02-01), Oh
patent: 7361200 (2008-04-01), Oh et al.
patent: 7491255 (2009-02-01), Jung
patent: 7556661 (2009-07-01), Jeong et al.
patent: 2004/0144070 (2004-07-01), Gammack et al.
patent: 2004/0194250 (2004-10-01), Conrad et al.
patent: 2005/0050678 (2005-03-01), Oh et al.
patent: 2005/0251951 (2005-11-01), Oh et al.
patent: 2006/0107629 (2006-05-01), Oh
patent: 2006/0123590 (2006-06-01), Fester et al.
patent: 201 09 699 (2001-11-01), None
patent: 10 2004 028 677 (2005-03-01), None
patent: 10 2004 028 675 (2005-04-01), None
patent: 10 2004 028 676 (2005-04-01), None
patent: 10 2004 028 678 (2005-04-01), None
patent: 10 2004 034 015 (2005-09-01), None
patent: 2 619 498 (1989-02-01), None
patent: 2 865 917 (2005-08-01), None
patent: 2 360 719 (2001-10-01), None
patent: 2 372 434 (2002-08-01), None
patent: 2 399 780 (2004-09-01), None
patent: 2 406 065 (2005-10-01), None
patent: 2 406 066 (2006-01-01), None
patent: 2 410 912 (2006-02-01), None
patent: 2 406 064 (2006-11-01), None
patent: 2 406 067 (2006-11-01), None
patent: 52-14775 (1975-07-01), None
patent: 05-123610 (1993-05-01), None
patent: 05-220424 (1993-08-01), None
patent: 10-2002-0028498 (2002-04-01), None
patent: EP 489468 (1991-11-01), None
patent: EP-0489468 (1991-11-01), None
patent: 2 236 813 (2004-09-01), None
patent: 2 237 424 (2004-10-01), None
patent: WO 99/49978 (1999-10-01), None
patent: WO 00/64321 (2000-11-01), None
patent: WO-00/74548 (2000-12-01), None
patent: WO 00/74548 (2000-12-01), None
patent: WO 00/74548 (2000-12-01), None
patent: WO 02/067742 (2002-09-01), None
patent: WO 02/067756 (2002-09-01), None
patent: WO 02/067757 (2002-09-01), None
patent: WO 02/069778 (2002-09-01), None

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