Granted Patent
Utility
US 4,392,055 · App. 06/295,887
Bottle finish and closure combination with venting slots
Inventor:
Ralph H. Whitney
Patented Case
View Patent ↗
Granted: Jul 5, 1983
Filed: Aug 24, 1981
Inventor
Ralph H. Whitney
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.