Ladder having narrow base
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United States of America Patent
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Aug 18, 2015
Grant Date -
Mar 20, 2014
app pub date -
Aug 23, 2013
filing date -
Aug 24, 2012
priority date (Note) -
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Abstract
A ladder includes a stair section having a plurality of steps, a vertical upright that connects to a top of the stair section, a base that connects a bottom of the stair section and a bottom of the vertical upright, and one or more wheels connected to the bottom of the vertical upright. The ladder may also include a front locking step and a rear wheel assembly. A narrow base extends between a step of the stair section above a bottom step or locking step and the vertical upright.
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