Fire escape – ladder – or scaffold – Convertible – Ladder
Reexamination Certificate
2005-11-22
2005-11-22
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Convertible
Ladder
C182S223000, C108S132000
Reexamination Certificate
active
06966404
ABSTRACT:
A step stool includes a step and at least two legs coupled to the step. The step stool further includes a locking mechanism that, when activated, allows the legs to fold parallel to the step.
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Barnes & Thornburg LLP
Chin-Shue Alvin
Cosco Management Inc.
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