Granted Patent
Utility
US 4,194,677 · App. 05/918,488
Carton with pour spout made from the carton material
Inventor:
Lawrence S. Wysocki
Patented Case
View Patent ↗
Granted: Mar 25, 1980
Filed: Jun 23, 1978
Inventor
Lawrence S. Wysocki
Assignee (at issue)
Champion International Corporation Limited
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.