Granted Patent
Utility
US 5,205,477 · App. 07/894,927
Interlocking carton and lid
Inventor:
John Zimmermann
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Jun 8, 1992
Inventor
John Zimmermann
Assignee (at issue)
Paperboard Industries Corporation
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.