IP Library Granted Patent US 6,816,009
Granted Patent Utility
US 6,816,009 · Confirmation No. 9689

CIRCUIT AND METHOD FOR A TRANSIMPEDANCE AUDIO AMPLIFIER PROVIDING VARIABLE GAIN WHILE MAINTAINING LOAD IMPEDANCE

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Code Description Pages PDF
2009-03-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-03-06 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-21 PA.. Power of Attorney 2 View
2009-02-21 N417 Electronic Filing System Acknowledgment Receipt 2 View
2005-04-08 COCOUT Certificate of Correction - Post Issue Communication 1 View
2005-01-04 COCIN Request for Certificate of Correction 3 View
2004-09-08 IFEE Issue Fee Payment (PTO-85B) 2 View
2004-08-02 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-08-02 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-08-02 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-08-02 FWCLM Index of Claims 1 View
2004-08-02 BIB Bibliographic Data Sheet 1 View
2004-08-02 SRFW Search information including classification, databases and other search related notes 1 View
2004-07-30 WFEE Fee Worksheet (SB06) 1 View
2004-07-12 AP.B Appeal Brief Filed 27 View
2004-05-26 WFEE Fee Worksheet (SB06) 1 View
2004-05-17 XT/ Extension of Time 4 View
2004-05-17 N/AP Notice of Appeal Filed 1 View
2004-04-21 CTAV Advisory Action (PTOL-303) 3 View
2004-03-15 A.NE Response After Final Action 3 View
2004-03-15 REM Applicant Arguments/Remarks Made in an Amendment 5 View
2004-03-15 AF/D Affidavit-submitted prior to Mar 15, 2013 4 View
2004-03-15 LET. Miscellaneous Incoming Letter 1 View
2004-03-11 EXIN Examiner Interview Summary Record (PTOL - 413) 2 View
2004-01-08 CTFR Final Rejection 8 View
2003-11-12 A... Amendment/Request for Reconsideration-After Non-Final Rejection 3 View
2003-11-12 CLM Claims 7 View
2003-11-12 REM Applicant Arguments/Remarks Made in an Amendment 4 View
2003-08-13 CTNF Non-Final Rejection 6 View
2003-08-13 892 List of references cited by examiner 1 View
2003-07-11 SRNT Examiner's search strategy and results 1 View
2002-09-09 PEFR Applicant Response to Pre-Exam Formalities Notice 3 View
2002-09-09 DRW Drawings-only black and white line drawings 2 View
2002-09-09 TRNA Transmittal of New Application 3 View
2002-09-09 DRW Drawings-only black and white line drawings 2 View
2002-08-16 PEFN Pre-Exam Formalities Notice 1 View
2002-07-19 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2002-07-19 SRFW Search information including classification, databases and other search related notes 1 View
2002-07-19 FWCLM Index of Claims 1 View
2002-07-19 TRNA Transmittal of New Application 3 View
2002-07-19 DRW Drawings-only black and white line drawings 3 View
2002-07-19 SPEC Specification 20 View
2002-07-19 CLM Claims 7 View
2002-07-19 ABST Abstract 1 View
2002-07-19 OATH Oath or Declaration filed 5 View
2002-07-19 WFEE Fee Worksheet (SB06) 1 View
2002-07-19 WFEE Fee Worksheet (SB06) 2 View
2002-07-19 TRNA Transmittal of New Application 2 View
2002-07-19 SPEC Specification 20 View
2002-07-19 CLM Claims 7 View
2002-07-19 ABST Abstract 1 View
2002-07-19 DRW Drawings-only black and white line drawings 3 View
2002-07-19 OATH Oath or Declaration filed 6 View
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Quick Facts
Patent No.
US 6,816,009
App. No.
10/199,623
Filed
2002-07-19
Granted
2004-11-09
Pub. No.
US20040012440A1
Art Unit
2816
PTA
-39 days