Granted Patent
Utility
US 6,270,255 · App. 08/844,282
Opening system for beverage container
Inventors:
Richard H. Kaufman, Ivica Labuda
Patented Case
View Patent ↗
Granted: Aug 7, 2001
Filed: Apr 18, 1997
Inventors
Richard H. Kaufman
Ivica Labuda
Assignee (at issue)
KRAFT FOODS HOLDINGS, INC.
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.