Granted Patent
Utility
US 4,538,732 · App. 06/489,131
Carton with improved opening structure
Inventor:
Morris W. Kuchenbecker
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Apr 27, 1983
Inventor
Morris W. Kuchenbecker
Assignee (at issue)
James River-Dixie Northern, 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.