Granted Patent
Utility
US 4,463,894 · App. 06/531,186
Method and mold for making an improved egg carton
Inventor:
John Daines
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Sep 12, 1983
Inventor
John Daines
Assignee (at issue)
Mobil Oil 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.