Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Reexamination Certificate
2000-11-20
2003-02-25
Bagnell, David (Department: 3673)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
C299S041100, C125S013030, C451S070000, C015S093100, C030S170000
Reexamination Certificate
active
06523906
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates generally to the field of floor treatment devices, and more particularly, but not by way of limitation, to a floor treatment apparatus having a scraping assembly and a number of rotating cutter assemblies that are used cooperatively to remove floor covering from a floor and to plane a floor surface.
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Bagnell David
Dunlap Codding & Rogers P.C.
Singh Sunil
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