Granted Patent
Utility
US 4,989,780 · App. 06/798,217
Blank for sealed carton with integral reclosable pour-out spout
Inventors:
James B. Foote, James A. Karabedian
Patented Case
View Patent ↗
Granted: Feb 5, 1991
Filed: Nov 14, 1985
Inventors
James B. Foote
James A. Karabedian
Assignee (at issue)
Owens-Illinois Plastic Products 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.