Granted Patent
Utility
US 5,749,489 · App. 08/598,079
Paperboard container for fluids having an improved lower fitment restraint structure
Inventors:
Christopher Benner, Nicholas Harambasic
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Feb 7, 1996
Inventors
Christopher Benner
Nicholas Harambasic
Assignee (at issue)
Longview Fibre Company
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.