IP Library › Granted Patent US 6,721,224
Granted Patent Utility
US 6,721,224 · Confirmation No. 9436

MEMORY REFRESH METHODS AND CIRCUITS

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2026-05-06 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2004-04-08 RETMAIL Mail returned to USPTO as undelivered 2 View
2004-03-08 N570 Communication - Re: Power of Attorney (PTOL-308) 3 View
2004-03-01 C.AD Change of Address 1 View
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2003-11-17 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2003-11-17 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2003-11-17 1449 List of References cited by applicant and considered by examiner 1 View
2003-11-17 892 List of references cited by examiner 1 View
2003-11-17 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2003-11-17 FWCLM Index of Claims 1 View
2003-11-17 SRFW Search information including classification, databases and other search related notes 1 View
2003-10-28 SRNT Examiner's search strategy and results 2 View
2003-03-26 PA.. Power of Attorney 3 View
2002-10-28 CFILE Request for Corrected Filing Receipt 2 View
2002-10-28 LET. Miscellaneous Incoming Letter 3 View
2002-10-28 OATH Oath or Declaration filed 2 View
2002-08-26 TRNA Transmittal of New Application 1 View
2002-08-26 SPEC Specification 15 View
2002-08-26 CLM Claims 5 View
2002-08-26 ABST Abstract 1 View
2002-08-26 DRW Drawings-only black and white line drawings 5 View
2002-08-26 OATH Oath or Declaration filed 2 View
2002-08-26 TRNA Transmittal of New Application 1 View
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2002-08-26 SPEC Specification 15 View
2002-08-26 CLM Claims 5 View
2002-08-26 ABST Abstract 1 View
2002-08-26 OATH Oath or Declaration filed 2 View
2002-08-26 WFEE Fee Worksheet (SB06) 1 View
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2002-08-26 IDS Information Disclosure Statement (IDS) Form (SB08) 2 View
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Quick Facts
Patent No.
US 6,721,224
App. No.
10/228,530
Filed
2002-08-26
Granted
2004-04-13
Pub. No.
US20040037142A1
Examiner
LAM, DAVID
Art Unit
2818
PTA
0 days