Horizontally supported planar surfaces – With separable components – Having means to detachably connect a tubular component to...
Reexamination Certificate
2006-08-21
2009-11-17
Ward, John A (Department: 2885)
Horizontally supported planar surfaces
With separable components
Having means to detachably connect a tubular component to...
C108S023000, C362S153000, C248S129000
Reexamination Certificate
active
07617780
ABSTRACT:
Portable floors can have casters on two separate sides. This allows the floors to roll when in a flat aspect suitable for dancing and when in a tall aspect suitable for passing through narrow passages.
REFERENCES:
patent: 4120025 (1978-10-01), Deaven
patent: 5412890 (1995-05-01), Fechter
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