Extendable support column
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Apr 16, 2013
Grant Date -
Apr 28, 2011
app pub date -
Oct 23, 2009
filing date -
Oct 23, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A support column apparatus for supporting and moving a portion of a building, and having a base column of square tubular cross section, a top extension column of square tubular cross section sliding within the base column, an hydraulic cylinder within the base column, a piston and a piston rod extendable into the said top extension column, and, a hydraulic connection to supply hydraulic fluid to the cylinder.
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Cited Art Landscape
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