Granted Patent
Utility
US 4,564,117 · App. 06/631,881
Bottle closure
Inventor:
James F. Herbert
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Jul 18, 1984
Inventor
James F. Herbert
Assignee (at issue)
Metal Closures 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.