Notch stabilized roof access ladder
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 2002
Grant Date -
N/A
app pub date -
May 31, 2001
filing date -
May 31, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ladder for providing access to a building roof having a roof side edge includes first and second side rails which are substantially mutually parallel and laterally spaced apart from each other; and a longitudinal series of foot rungs extending perpendicularly between and interconnecting the first and second side rails; where the side rails have engaging notches directly opposite each other which are sized and shaped to receive and engaging a roof side edge to stabilize the ladder against pivoting and falling laterally.
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- [Patents Count]
Cited Art Landscape
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