Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2005-12-06
2005-12-06
Till, Terrence R. (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S041100, C015S082000, C015S383000
Reexamination Certificate
active
06971140
ABSTRACT:
In a brush assembly of a cleaner including plural brushes arranged at the bottom surface of a cleaner body radially at regular intervals; plural supporting shafts for rotatively supporting the brushes; and a driving unit connected to the brushes in order to rotate the brushes, by arranging the plural brushes radially, dust and filth can be collected in a wider region, and accordingly a cleaning performance can be improved. In addition, by forming the brushes as a curved shape, it is possible to compact a size of the cleaner.
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patent: 3979788 (1976-09-01), Strausak
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patent: 2722653 (1978-11-01), None
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patent: 11-282533 (1999-10-01), None
patent: 11-318779 (1999-11-01), None
patent: WO 00/78201 (2000-12-01), None
English Language Abstract of JP56-57427.
English Language Abstract of JP 11-282533.
English Language Abstract of 11-318779.
Greenblum & Bernstein P.L.C.
Till Terrence R.
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