Granted Patent
Utility
US 5,014,854 · App. 07/548,667
Easy opening gable top carton and blank therefor
Inventors:
Nestor A. Anderson, MICHAEL WALSH
Patented Case
View Patent ↗
Granted: May 14, 1991
Filed: Jul 5, 1990
Inventors
Nestor A. Anderson
MICHAEL WALSH
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.