Granted Patent
Utility
US 5,429,297 · App. 08/184,958
Pour spout for a carton
Inventor:
Joseph C. Walsh
Patented Case
View Patent ↗
Granted: Jul 4, 1995
Filed: Jan 21, 1994
Inventor
Joseph C. Walsh
Assignee (at issue)
Graphic Packaging 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.