Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder
Reexamination Certificate
2007-08-20
2010-10-26
Mitchell, Katherine W (Department: 3634)
Fire escape, ladder, or scaffold
Wall- or floor-attached
Ladder
C182S206000, C182S097000
Reexamination Certificate
active
07819225
ABSTRACT:
An ice ladder has a climbing ladder mounted to an adjustable frame, with the adjustable frame including a securing apparatus mounting on a desired surface, especially an opening in an ice covered body of water. The ice ladder has an adjustable frame or member, a locking bar, and a climbing ladder releasably secured to the locking bar. The adjustable member is secured to the locking bar.
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Bradford Candace L
Crawford Bric A.
Mitchell Katherine W
Perrone, Jr. Mathew R. P.
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