IP Library › Granted Patent US 6,831,581
Granted Patent Utility
US 6,831,581 · Confirmation No. 8599

DIGITAL-TO-ANALOG CONVERTER ARRANGEMENT WITH AN ARRAY OF UNARY DIGITAL-TO-ANALOG CONVERTING ELEMENTS USABLE FOR DIFFERENT SIGNAL TYPES

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2019-09-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-09-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2019-09-16 C.AD Change of Address 2 View
2019-09-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2019-09-16 MFEE.C.AD Maintenance Fee Address Change 2 View
2019-09-16 PA.. Power of Attorney 3 View
2019-09-16 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2004-11-04 IFEE Issue Fee Payment (PTO-85B) 2 View
2004-08-25 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2004-08-25 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2004-08-25 892 List of references cited by examiner 1 View
2004-08-25 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-08-25 BIB Bibliographic Data Sheet 1 View
2004-08-25 WFEE Fee Worksheet (SB06) 1 View
2004-08-25 SRFW Search information including classification, databases and other search related notes 1 View
2004-08-11 NDRW Transmittal Letter accompanying New/Additional Drawings 1 View
2004-08-11 DRW Drawings-only black and white line drawings 2 View
2004-07-29 WFEE Fee Worksheet (SB06) 1 View
2004-07-29 FWCLM Index of Claims 1 View
2004-07-08 A... Amendment/Request for Reconsideration-After Non-Final Rejection 5 View
2004-07-08 SPEC Specification 1 View
2004-07-08 CLM Claims 8 View
2004-07-08 REM Applicant Arguments/Remarks Made in an Amendment 3 View
2004-07-08 DRW Drawings-only black and white line drawings 1 View
2004-04-08 CTNF Non-Final Rejection 8 View
2004-04-08 892 List of references cited by examiner 1 View
2004-04-08 SRFW Search information including classification, databases and other search related notes 1 View
2004-04-08 FWCLM Index of Claims 1 View
2004-04-05 SRNT Examiner's search strategy and results 1 View
2004-01-26 CFILE Request for Corrected Filing Receipt 4 View
2004-01-26 OATH Oath or Declaration filed 4 View
2003-08-11 OATH Oath or Declaration filed 4 View
2003-07-25 PEFN Pre-Exam Formalities Notice 1 View
2003-05-23 TRNA Transmittal of New Application 11 View
2003-05-23 SPEC Specification 11 View
2003-05-23 CLM Claims 4 View
2003-05-23 ABST Abstract 1 View
2003-05-23 WFEE Fee Worksheet (SB06) 1 View
2003-05-23 WFEE Fee Worksheet (SB06) 1 View
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Quick Facts
Patent No.
US 6,831,581
App. No.
10/445,255
Filed
2003-05-23
Granted
2004-12-14
Pub. No.
US20040239543A1
Examiner
MAI, LAM T
Art Unit
2819
PTA
0 days