Ladder scaffold
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 25, 1989
Grant Date -
N/A
app pub date -
Aug 15, 1988
filing date -
Aug 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A scaffold plank hanger is suspended from a rung of a ladder by hooks engaging such rung which are spaced apart less than the width of the ladder. Such hooks carry a crossbar of a length greater than the width of the ladder. A scaffold plank has hooks projecting from one end which are hooked over opposite end portions of the hanger crossbar between its ends and the adjacent ladder rails, respectively.
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