Granted Patent
Utility
US 5,224,616 · App. 07/931,006
Non-replaceable snap on cap for school milk bottles
Inventor:
Harry E. Crisci
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Aug 17, 1992
Inventor
Harry E. Crisci
Assignee (at issue)
Northern Engineering & Plastics, Corp.
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.