Foldable ladder

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10233692
APP PUB NO 20170145745A1
SERIAL NO

15428554

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A foldable ladder has a first ladder portion and a second ladder portion hingedly attached to the first ladder portion by a pair of hinge mechanisms. Each hinge mechanism adapted to lock the first and second ladder portions such that the first ladder portion and the second ladder portion form an angle therebetween. The hinge mechanism has a locking pin to lock the first and second ladder portions at an angular position. Each rung is connected to a column by a connector assembly having first and second release buttons.

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Patent Owner(s)

Patent OwnerAddress
CORE DISTRIBUTION INC212 THIRD AVENUE NORTH SUITE 515 MINNEAPOLIS MN 55401

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Caldwell, Allen A Savage, US 11 102
Kieffer, Mitchell I Minneapolis, US 20 188
Schlueter, Nathan L Bloomington, US 13 113

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