Granted Patent
Utility
US 4,230,259 · App. 06/045,214
Self-locking cartons
Inventor:
Milton W. Herzog
Patented Case
View Patent ↗
Granted: Oct 28, 1980
Filed: Jun 4, 1979
Inventor
Milton W. Herzog
Assignee (at issue)
H. Goodman & Sons Inc.
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.