Granted Patent
Utility
US 5,649,650 · App. 08/567,438
Liquid containing package with snap fit non-rotating spout insert
Inventor:
Christian W. Klauke
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Dec 5, 1995
Inventor
Christian W. Klauke
Assignee (at issue)
Owens-Illinois Plastic Products 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.