Escape ladder system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 2, 1999
Grant Date -
N/A
app pub date -
Aug 6, 1997
filing date -
Aug 6, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An escape ladder system generally comprising a housing having an inner chamber; a collapsible ladder unit assembly removably received in the housing inner chamber; a cover plate removably coupled to the housing; and, a control unit assembly coupled to the ladder unit assembly. When in its collapsed configuration, the ladder unit assembly is retained by the control unit assembly within the housing inner chamber. The ladder unit assembly is biased for displacement from the housing inner chamber and extension into its extended configuration responsive to appropriate user actuation of the control unit assembly.
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Family
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Cited Art Landscape
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