Granted Patent
Utility
US 4,269,346 · App. 06/088,413
Round ice cream carton
Inventor:
Daniel P. Dutcher
Patented Case
View Patent ↗
Granted: May 26, 1981
Filed: Oct 26, 1979
Inventor
Daniel P. Dutcher
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.