Granted Patent
Utility
US 4,527,701 · App. 06/645,206
Tamper indicating child resistant closure
Inventor:
Paul Schaubeck
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Aug 29, 1984
Inventor
Paul Schaubeck
Assignee (at issue)
Owens-Illinois Inc.
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.