Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2008-03-04
2008-03-04
Snider, Theresa T. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S246200, C015S415100
Reexamination Certificate
active
10854011
ABSTRACT:
A vacuum head assembly is disclosed which includes a vacuum head detachably connected to a secondary head, which is designed to carry an electrostatic cloth. The secondary head assumes a horizontal position behind the vacuum head so that the scoop of the vacuum head moves across the surface to be cleaned first followed by the secondary head, equipped with the electrostatic cloth. The cloth thus engages the floor after the scoop of the vacuum head. The secondary head carrying the electrostatic cloth may be easily connected to and disconnected from the vacuum head thereby rendering the vacuum head suitable for both hard and soft (i.e., carpeted) surfaces.
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patent: 2005/0076468 (2005-04-01), Matousek et al.
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patent: 2001104041 (2001-11-01), None
Baer Mark
Crevling, Jr. Robert L.
Girton Cory F.
Marshall & Gerstein & Borun LLP
Shop Vac Corporation
Snider Theresa T.
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