Roll-away staircase
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United States of America Patent
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Feb 12, 2013
Grant Date -
Dec 1, 2011
app pub date -
May 27, 2010
filing date -
May 27, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates generally to a staircase that can roll to an upright position when not in use and considers safety standards. More particularly, the invention is directed to a staircase that can be used where space is limited as the staircase's footprint can be minimized when not in use.
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