Granted Patent
Utility
US 5,288,012 · App. 07/974,975
Folding carton for containing a semi-solid product and blank for constructing same
Inventor:
Karl F. DeMay
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Nov 12, 1992
Inventor
Karl F. DeMay
Assignee (at issue)
Fold-Pak Corporation
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.