Fire escape – ladder – or scaffold – Wall- or floor-attached – Ladder
Reexamination Certificate
2003-08-12
2008-03-11
Chin-Shue, Alvin (Department: 3634)
Fire escape, ladder, or scaffold
Wall- or floor-attached
Ladder
C182S107000
Reexamination Certificate
active
07341126
ABSTRACT:
A ladder support system that may be mounted on a ladder rung or other securing structures and may further be shaped to provide lateral support to the ladder when a pole or other supporting structure is positioned on the ladder support. The ladder support may also be configured for convenient mounting and removal from the securing structure to which it may be mounted. The ladder support may be resilient and may have a slit along the length of the support to provide releasable mounting on the ladder.
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Extension Ladder Accessories; Jul. 14, 2003; http://www.wernerladder.com/acc-ext.htm.
Diggle III Frederick James
Hogeland Robert Clint
Rivers Paul Brent
AT&T Delaware Intellectual Property Inc.
Chin-Shue Alvin
Hartman Jodi
Sutcliffe Geoff
Zimmerman PLLC Scott P.
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