IP Library › Granted Patent US 6,748,059
Granted Patent Utility
US 6,748,059 · Confirmation No. 4142

APPARATUS AND METHOD FOR UNIFIED TONE DETECTION

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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
2004-04-28 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-04-28 LET. Miscellaneous Incoming Letter 1 View
2004-04-28 DRW Drawings-only black and white line drawings 5 View
2002-04-05 TRNA Transmittal of New Application 2 View
2002-04-05 SPEC Specification 12 View
2002-04-05 CLM Claims 6 View
2002-04-05 ABST Abstract 1 View
2002-04-05 DRW Drawings-only black and white line drawings 5 View
2002-04-05 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,748,059
App. No.
10/117,021
Filed
2002-04-05
Granted
2004-06-08
Pub. No.
US20030076943A1
Art Unit
2645
PTA
-42 days