IP Library › Granted Patent US 6,697,456
Granted Patent Utility
US 6,697,456 · Confirmation No. 2673

SPEECH ANALYSIS BASED ANSWER DETECTION FOR IP BASED TELEPHONES

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2008-05-13 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-12-11 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-12-07 TRNA Transmittal of New Application 2 View
2001-12-07 SPEC Specification 14 View
2001-12-07 CLM Claims 8 View
2001-12-07 ABST Abstract 1 View
2001-12-07 DRW Drawings-only black and white line drawings 6 View
2001-12-07 OATH Oath or Declaration filed 2 View
2001-12-07 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,697,456
App. No.
10/013,048
Filed
2001-12-07
Granted
2004-02-24
Pub. No.
US20030108157A1
Art Unit
2645
PTA
0 days