Granted Patent
Utility
US 6,798,873 · App. 10/107,202
Telephone status notification system
Inventors:
Joseph Vardi, Arie Vardi, Joseph Vigiser, Yair Goldfinger
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Mar 28, 2002
Inventors
Joseph Vardi
Arie Vardi
Joseph Vigiser
Yair Goldfinger
Assignee (at issue)
ICQ, 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.