Gas separation – Residue access – handling or removing means – Separable collection container
Reexamination Certificate
2007-09-11
2007-09-11
Smith, Duane (Department: 1724)
Gas separation
Residue access, handling or removing means
Separable collection container
C055S486000, C055S503000, C055SDIG030, C095S273000, C095S287000, C096S415000, C015S352000
Reexamination Certificate
active
10417822
ABSTRACT:
A dirt filtering apparatus for a vacuum cleaner is disclosed. The dirt filtering apparatus includes a lid member having an exit opening defined therethrough, a sealing arrangement around the periphery of the lid member and adapted to engage a sidewall of a removable dirt cup, and a removable filter attached to the lid member in a covering relationship to the exit opening. The dirt filtering apparatus further includes a removable screen support attached to the lid member and surrounding the filter member. The dirt filtering apparatus yet further includes a horizontal opening defined through the screen support and a screen element covering the horizontal opening. A method of operating a filter assembly is also disclosed.
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National Carpeter Model MC-110U (1979) photographs, 4 sheets.
Lowe A. Burgess
Morrison John W.
Pham Minh-Chau T.
Smith Duane
The Hoover Company
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