Granted Patent
Utility
US 5,657,897 · App. 08/554,668
Beverage container constructed to accommodate cup holders of different sizes
Inventor:
James H. Schwartzburg
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Nov 8, 1995
Inventor
James H. Schwartzburg
Assignee (at issue)
PackerWare 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.