Granted Patent
Utility
US 4,308,995 · App. 06/133,912
Carton end closure with integral handle
Inventor:
Harry R. Hanes
Patented Case
View Patent ↗
Granted: Jan 5, 1982
Filed: Mar 25, 1980
Inventor
Harry R. Hanes
Assignee (at issue)
Federal Paper Board Co., 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.