Granted Patent
Utility
US 4,365,739 · App. 06/194,415
Take-out carton with locking cover
Inventor:
George P. Webinger
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Oct 6, 1980
Inventor
George P. Webinger
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.