Granted Patent
Utility
US 4,364,220 · App. 06/184,885
Container intended for contents under pressure together with a method for the manufacture of such a container
Inventor:
Hans Rausing
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Sep 8, 1980
Inventor
Hans Rausing
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.