Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2007-02-13
2007-02-13
Till, Terrence R. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
Reexamination Certificate
active
11018037
ABSTRACT:
This invention relates to a multi-purpose position sensitive floor cleaning device having two separate and distinct selective modes of operation whereby 180° longitudinal rotation of the floor cleaning device selectively activates one of the two separate and distinct selective modes of operation. The two separate and distinct selective modes of operation are, for example, a scrubbing mode for scrubbing an associated floor and a suctioning mode for suctioning associated liquid from the associated floor.
REFERENCES:
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patent: 2867835 (1959-01-01), Brown, Jr. et al.
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patent: 3079623 (1963-03-01), Congdon
patent: 5617610 (1997-04-01), Dearaujo
patent: 5983448 (1999-11-01), Wright et al.
patent: 6572711 (2003-06-01), Sclafani et al.
patent: 6851158 (2005-02-01), Sclafani et al.
Alford William G.
Sclafani Adam C.
Thomas Kevin L.
Lowe, Esq. A. Burgess
Schenck, Esq. Brett A.
The Hoover Company
Till Terrence R.
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