Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lee Pil Yul0
Zhu Peixin0
Date of Patent
February 28, 2012
0Patent Application Number
117127620
Date Filed
February 28, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A frame including a plurality of connector assemblies and a cross-support unit coupled between the plurality of connector assemblies. The cross-support unit is movable between a folded configuration and an expanded configuration. The cross-support unit defines a substantially planar support structure in the expanded configuration.
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