Granted Patent
Utility
US 5,507,402 · App. 08/238,244
Plastic bottle with a self supporting base structure
Inventor:
Roger W. Clark
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: May 4, 1994
Inventor
Roger W. Clark
Assignee (at issue)
ACI Operations PTY LTD
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.