Granted Patent
Utility
US 6,681,006 · App. 09/215,466
Service activation upon automatic callback and automatic recall expiration
Inventors:
Joanne Clare Pilkington, Sylvain Jodoin, Andre LeBon
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Dec 17, 1998
Inventors
Joanne Clare Pilkington
Sylvain Jodoin
Andre LeBon
Assignee (at issue)
Nortel Networks Limited
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.