Granted Patent
Utility
US 4,314,720 · App. 06/085,262
Split ring locking assembly
Inventor:
Cesar Santoni
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Oct 16, 1979
Inventor
Cesar Santoni
Assignee (at issue)
Greif Bros. 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.