Granted Patent
Utility
US 5,617,968 · App. 08/538,835
Container cover having primary and secondary detent means
Inventor:
Frano Luburic
Patented Case
View Patent ↗
Granted: Apr 8, 1997
Filed: Oct 4, 1995
Inventor
Frano Luburic
Assignee (at issue)
Ropak 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.