Granted Patent
Utility
US 3,971,612 · App. 05/615,728
Flip-top carton of trunk type for frozen ice cream and comestibles of similar consistency
Inventor:
Raymond C. Koenig
Patented Case
View Patent ↗
Granted: Jul 27, 1976
Filed: Sep 22, 1975
Inventor
Raymond C. Koenig
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.