IP Library › Granted Patent US 6,820,135
Granted Patent Utility Small
US 6,820,135 · Confirmation No. 8203

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2026-07-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2026-07-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2026-06-16 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2026-06-16 C.AD Change of Address 2 View
2026-06-16 PA.. Power of Attorney 2 View
2026-06-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2016-01-06 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2016-01-06 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2004-10-06 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-07-14 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-07-14 NOA Notice of Allowance and Fees Due (PTOL-85) 1 View
2004-07-14 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-07-14 FWCLM Index of Claims 1 View
2004-07-14 SRFW Search information including classification, databases and other search related notes 1 View
2004-06-29 DISQ Terminal Disclaimer review decision 1 View
2004-05-13 DIST Terminal Disclaimer Filed 2 View
2004-04-23 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2004-04-23 SPEC Specification 13 View
2004-04-23 CLM Claims 4 View
2004-04-23 DRW Drawings-only black and white line drawings 9 View
2004-04-23 REM Applicant Arguments/Remarks Made in an Amendment 7 View
2004-04-23 DIST Terminal Disclaimer Filed 2 View
2004-01-20 CTNF Non-Final Rejection 11 View
2004-01-20 892 List of references cited by examiner 1 View
2004-01-20 1449 List of References cited by applicant and considered by examiner 1 View
2003-05-27 IDS Information Disclosure Statement (IDS) Form (SB08) 3 View
2003-05-21 CTMS Miscellaneous Action with shortened statutory period (SSP) 2 View
2003-05-06 PA.. Power of Attorney 1 View
2002-01-22 OATH Oath or Declaration filed 9 View
2002-01-22 LET. Miscellaneous Incoming Letter 1 View
2001-10-29 CTMS Miscellaneous Action with shortened statutory period (SSP) 1 View
2001-10-10 TRNA Transmittal of New Application 4 View
2001-10-10 SPEC Specification 62 View
2001-10-10 CLM Claims 4 View
2001-10-10 ABST Abstract 1 View
2001-10-10 DRW Drawings-only black and white line drawings 8 View
2001-10-10 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2001-10-10 SRFW Search information including classification, databases and other search related notes 1 View
2001-10-10 FWCLM Index of Claims 1 View
2001-10-10 TRNA Transmittal of New Application 4 View
2001-10-10 DRW Drawings-only black and white line drawings 8 View
2001-10-10 SPEC Specification 62 View
2001-10-10 CLM Claims 4 View
2001-10-10 ABST Abstract 1 View
2001-10-10 WFEE Fee Worksheet (SB06) 1 View
2001-10-10 WCLM Claims Worksheet (PTO-2022) 1 View
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Quick Facts
Patent No.
US 6,820,135
App. No.
09/974,747
Filed
2001-10-10
Granted
2004-11-16
Art Unit
2154
PTA
-38 days