Vacuum cleaner

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

Reexamination Certificate

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Details

C055S508000, C055SDIG030, C015S353000

Reexamination Certificate

active

10817597

ABSTRACT:
A vacuum cleaner is disclosed which comprises a body, fan means within the body for creating an airflow through the cleaner and a separation unit mounted to the body for separating dirt and dust from the airflow. The separation unit comprises a cyclone separator and a filter. The filter is removable from the separation unit when the separation unit is mounted to the body of the cleaner.

REFERENCES:
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patent: 4571772 (1986-02-01), Dyson
patent: 4944780 (1990-07-01), Usmani
patent: 6003196 (1999-12-01), Wright et al.
patent: 6406505 (2002-06-01), Oh et al.
patent: 6521006 (2003-02-01), Park et al.
patent: 6775882 (2004-08-01), Murphy et al.
patent: 6829804 (2004-12-01), Sepke
patent: 2002/0108208 (2002-08-01), Hamada et al.
patent: 2002/0194695 (2002-12-01), Stephens et al.
patent: 2003/0066156 (2003-04-01), Yang
patent: 2003/0182757 (2003-10-01), Sepke
patent: 2003/0221277 (2003-12-01), Oh et al.
patent: 2003061878 (2003-03-01), None
patent: WO 02075806 (2002-10-01), None
European Search Report- Application Number EP 04 25 1834 in The Hague on Feb. 3, 2005.

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