Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Reexamination Certificate
2011-06-21
2011-06-21
Mitchell, Katherine (Department: 3634)
Fire escape, ladder, or scaffold
Ladder and platform
Platform with ladder as support
C182S133000, C182S206000
Reexamination Certificate
active
07963368
ABSTRACT:
A ladder or climbing device has hollow tubular jaws at its head end that permit a rope or cable to pass around the target tree or pole. A tubular cable guide is positioned along side the vertical rail for feeding the cable to the hollow jaws. The rail is formed of extension sections that are joined together. A security clamp or clasp attached over both the head of the device and the cable to secure to the worker's safety harness.
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Hasto Joseph F.
Scudera Sam S.
Mitchell Katherine
Molldrem, Jr. Bernhard P.
S & H Innovations LLC
Shablack Johnnie A
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