Bagless dustcup

Details Bagless dustcup Bagless dustcup

2006-12-29

2008-09-09

Hopkins, Robert A. (Department: 1797)

Gas separation

Plural serial basically diverse separating media

Plural stages in unitary casing

C055S429000, C055S459100, C055S459200, C055SDIG030, C015S350000, C015S353000

Reexamination Certificate

active

07422614

ABSTRACT:
A bagless vacuum cleaner system dustcup assembly and method for using said system with a vacuum cleaner apparatus to separate dirt from a mixture of dirt and air inducted into said vacuum cleaner apparatus. Said bagless vacuum cleaner system generally comprises a dustcup assembly, a handle assembly and a motor intake adaptor.

REFERENCES:
patent: 2814357 (1957-11-01), Bowman
patent: 4260401 (1981-04-01), Truhan et al.
patent: 6269518 (2001-08-01), Yung

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