Fluid reaction surfaces (i.e. – impellers) – Working member foldable – pivotable or collapsible to non-use... – Member movement in rotation plane
Reexamination Certificate
2008-05-19
2010-12-28
Nguyen, Ninh H (Department: 3745)
Fluid reaction surfaces (i.e., impellers)
Working member foldable, pivotable or collapsible to non-use...
Member movement in rotation plane
C415S129000
Reexamination Certificate
active
07857591
ABSTRACT:
A fan comprising: a housing unit; a retractable fan blade; and a means for driving the retractable fan blade from a retracted position within the housing unit to an extended position exterior to the housing unit.
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Conley William Patrick
Gajewski Mark
Thomason Rodger Dale
Cislo & Thomas LLP
Nguyen Ninh H
Swiss Module Group, LLC
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