Granted Patent
Utility
US 5,207,346 · App. 07/605,980
Easy-opening closure for the sheet metal lids of cans and the like
Inventor:
Egidio Tiveron
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Oct 23, 1990
Inventor
Egidio Tiveron
Assignee (at issue)
Quarker, Chiari & Forti S.p.A.
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.