Granted Patent
Utility
US 4,524,565 · App. 06/501,914
Packing container for pressurized contents and a method for manufacturing the same
Inventor:
Lars-Erik Palm
Patented Case
View Patent ↗
Granted: Jun 25, 1985
Filed: Jun 7, 1983
Inventor
Lars-Erik Palm
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.