IP Library › Granted Patent US 5,657,898
Granted Patent Utility
US 5,657,898 · App. 08/529,061

Cup lid having infusion bag retaining means

Inventors: Jill Portman, Gary Shinner
Patented Case View Patent ↗
Granted: Aug 19, 1997 Filed: Sep 15, 1995
Inventors
Jill Portman
Gary Shinner

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.

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Quick Facts
Patent No.
US 5,657,898
App. No.
08/529,061
Filed
1995-09-15
Granted
1997-08-19
Kind
A