Granted Patent
Utility
US 5,215,250 · App. 07/839,359
Carton with improved pouring spout
Inventor:
Harry I. Roccaforte
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: Feb 20, 1992
Inventor
Harry I. Roccaforte
Assignee (at issue)
Waldorf Corporation
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.