Portable ladder
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United States of America Patent
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N/A
Issued Date -
Feb 28, 2013
app pub date -
Mar 28, 2011
filing date -
May 10, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A portable ladder is provided having at the base end of at least one of the uprights thereof a plurality of sucker elements, adapted to adhere strongly to the ground following the formation of vacuum beneath the elements. The ladder has at the base of the at least one upright a structure, which includes a cap, at the concave surface of the cap facing towards the surface on which the ladder rests there is fixed the plurality of sucker elements.
First Claim
Family
International Classification(s)
Cited Art Landscape
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