Granted Patent
Utility
US 4,343,402 · App. 06/105,915
Parallelepipedic packing container provided with an opening arrangement
Inventor:
Sven N. H. Holmstrom
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Dec 21, 1979
Inventor
Sven N. H. Holmstrom
Assignee (at issue)
Tetra Pak International AB
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.