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United States of America Patent
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Aug 9, 2005
Grant Date -
N/A
app pub date -
Oct 9, 2003
filing date -
Oct 9, 2003
priority date (Note) -
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Abstract
A climbing aid for assisting people to move up or down to different levels has steps that can be folded into attached integral handrails that circumscribe the steps when folded so that no parts extend outside of the boundaries of the handrails.
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