IP Library › Granted Patent US 6,731,747
Granted Patent Utility
US 6,731,747 · Confirmation No. 6477

SIGNAL DETECTOR WITH ECHO CANCELLATION

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 Code Description Pages PDF
2004-01-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-01-30 A.NA Amendment after Notice of Allowance (Rule 312) 1 View
2004-01-30 CLM Claims 4 View
2004-01-30 REM Applicant Arguments/Remarks Made in an Amendment 1 View
2004-01-30 LET. Miscellaneous Incoming Letter 1 View
2002-10-30 STATUS.LET Request for status of Application 1 View
2001-02-23 TRNA Transmittal of New Application 1 View
2001-02-23 SPEC Specification 16 View
2001-02-23 CLM Claims 7 View
2001-02-23 ABST Abstract 1 View
2001-02-23 DRW Drawings-only black and white line drawings 5 View
2001-02-23 OATH Oath or Declaration filed 4 View
2001-02-23 TRNA Transmittal of New Application 1 View
2001-02-23 SPEC Specification 16 View
2001-02-23 CLM Claims 7 View
2001-02-23 ABST Abstract 1 View
2001-02-23 DRW Drawings-only black and white line drawings 5 View
2001-02-23 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,731,747
App. No.
09/792,816
Filed
2001-02-23
Granted
2004-05-04
Pub. No.
US20020118821A1
Art Unit
2644
PTA
-30 days