Granted Patent
Utility
US 4,296,863 · App. 06/104,821
Lidded container structure and package structure for same
Inventor:
Henk Stokkers
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Dec 18, 1979
Inventor
Henk Stokkers
Assignee (at issue)
Maryland Cup 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.