Granted Patent
Utility
US 5,941,265 · App. 08/717,408
Collapsible structures having overlapping support loops
Inventor:
Yu Zheng
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Sep 20, 1996
Inventor
Yu Zheng
Assignee (at issue)
Patent Category Corp.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.