Granted Patent
Utility
US 5,083,675 · App. 07/635,093
"Easy opening device for vacuum packed pouch packed as a ""Bag-in-Box"""
Inventor:
Mario Albanesi
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Dec 28, 1990
Inventor
Mario Albanesi
Assignee (at issue)
The Procter & Gamble 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.