Granted Patent
Utility
US 4,320,830 · App. 06/131,082
Carton having pivotable platform
Inventor:
Harry I. Roccaforte
Patented Case
View Patent ↗
Granted: Mar 23, 1982
Filed: Mar 17, 1980
Inventor
Harry I. Roccaforte
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.