Electric vacuum cleaner

Details Electric vacuum cleaner Electric vacuum cleaner

2005-05-05

2008-09-23

Hopkins, Robert A (Department: 1797)

Gas separation

Residue access, handling or removing means

Separable collection container

C055S471000, C055S482000, C055S486000, C055SDIG030

Reexamination Certificate

active

07427307

ABSTRACT:
An electric vacuum cleaner has a dust collecting section for removing dust and an electric air blower mounted in its main body and comprises a filter for removing dust from air sucked into the dust collecting section by driving the electric air blower, and a disposable filter can be arranged on the upstream side of the filter.

REFERENCES:
patent: 7144438 (2006-12-01), Lee et al.
patent: 48-5540 (1973-02-01), None
patent: 61-164537 (1986-07-01), None
patent: 61-137355 (1986-08-01), None
patent: 61-222431 (1986-10-01), None
patent: 63-36446 (1988-03-01), None
patent: 63-51818 (1988-03-01), None
patent: 2005-230253 (2005-09-01), None
Japanese Office Action dated Mar. 6, 2007, Application No. 2004-137057.

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