IP Library › Granted Patent US 6,822,793
Granted Patent Utility
US 6,822,793 · Confirmation No. 1721

COMPACT POLARIZATION INSENSITIVE CIRCULATORS WITH SIMPLIFIED STRUCTURE AND LOW POLARIZATION MODE DISPERSION

Inventors: Ping Xie, Yonglin Huang
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2016-05-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-05-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-04-27 PA.. Power of Attorney 3 View
2016-04-27 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2016-04-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-03-14 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-06-10 COCOUT Certificate of Correction - Post Issue Communication 2 View
2008-01-08 COCX Supervisory Patent Examiner Response - Return for Certificate of Correction 1 View
2006-06-15 IMIS Miscellaneous Internal Document 1 View
2006-06-05 COCIN Request for Certificate of Correction 8 View
2004-10-04 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-10-04 LET. Miscellaneous Incoming Letter 4 View
2004-07-02 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2004-07-02 NOA Notice of Allowance and Fees Due (PTOL-85) 4 View
2004-07-02 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2004-07-02 SRFW Search information including classification, databases and other search related notes 1 View
2004-04-29 CTMS Miscellaneous Action with shortened statutory period (SSP) 1 View
2004-04-06 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2004-04-06 CLM Claims 8 View
2004-04-06 REM Applicant Arguments/Remarks Made in an Amendment 10 View
2004-04-06 DIST Terminal Disclaimer Filed 2 View
2004-04-06 XT/ Extension of Time 2 View
2004-04-06 LET. Miscellaneous Incoming Letter 4 View
2003-11-06 CTNF Non-Final Rejection 9 View
2003-11-06 892 List of references cited by examiner 1 View
2003-08-18 RCEX Request for Continued Examination (RCE) 5 View
2003-08-11 CTAV Advisory Action (PTOL-303) 3 View
2003-07-21 RCEX Request for Continued Examination (RCE) 3 View
2003-07-21 A... Amendment/Request for Reconsideration-After Non-Final Rejection 3 View
2003-07-21 CLM Claims 8 View
2003-07-21 REM Applicant Arguments/Remarks Made in an Amendment 5 View
2003-07-21 XT/ Extension of Time 1 View
2003-06-24 EXIN Examiner Interview Summary Record (PTOL - 413) 2 View
2003-06-16 CTMS Miscellaneous Action with shortened statutory period (SSP) 2 View
2003-06-05 LET. Miscellaneous Incoming Letter 2 View
2003-06-05 PA.. Power of Attorney 3 View
2003-06-05 AF/D Affidavit-submitted prior to Mar 15, 2013 2 View
2003-06-05 AF/D Affidavit-submitted prior to Mar 15, 2013 6 View
2003-02-21 CTFR Final Rejection 11 View
2002-12-31 C.AD Change of Address 1 View
2002-11-29 PA.. Power of Attorney 14 View
2002-11-25 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2002-11-25 SPEC Specification 1 View
2002-11-25 CLM Claims 4 View
2002-11-25 REM Applicant Arguments/Remarks Made in an Amendment 9 View
2002-11-25 LET. Miscellaneous Incoming Letter 1 View
2002-07-18 CTNF Non-Final Rejection 10 View
2002-07-18 1449 List of References cited by applicant and considered by examiner 3 View
2002-07-18 892 List of references cited by examiner 1 View
2002-07-09 SRNT Examiner's search strategy and results 3 View
2001-08-31 TRNA Transmittal of New Application 2 View
2001-08-31 A.PE Preliminary Amendment 4 View
2001-08-31 SPEC Specification 36 View
2001-08-31 CLM Claims 8 View
2001-08-31 ABST Abstract 1 View
2001-08-31 DRW Drawings-only black and white line drawings 12 View
2001-08-31 OATH Oath or Declaration filed 7 View
2001-08-31 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2001-08-31 SRFW Search information including classification, databases and other search related notes 1 View
2001-08-31 FWCLM Index of Claims 1 View
2001-08-31 TRNA Transmittal of New Application 2 View
2001-08-31 DRW Drawings-only black and white line drawings 13 View
2001-08-31 SPEC Specification 37 View
2001-08-31 CLM Claims 9 View
2001-08-31 ABST Abstract 1 View
2001-08-31 OATH Oath or Declaration filed 8 View
2001-08-31 WFEE Fee Worksheet (SB06) 1 View
2001-08-31 WFEE Fee Worksheet (SB06) 1 View
2001-08-31 WCLM Claims Worksheet (PTO-2022) 1 View
2001-08-31 IDS Information Disclosure Statement (IDS) Form (SB08) 2 View
2001-08-31 FOR Foreign Reference 14 View
2001-08-31 FOR Foreign Reference 9 View
2001-08-31 FOR Foreign Reference 27 View
2001-08-31 FOR Foreign Reference 29 View
2001-08-31 FOR Foreign Reference 10 View
2001-08-31 FOR Foreign Reference 16 View
2001-08-31 FOR Foreign Reference 2 View
2001-08-31 FOR Foreign Reference 38 View
2001-08-31 FOR Foreign Reference 58 View
2001-08-31 FOR Foreign Reference 68 View
2001-08-31 FOR Foreign Reference 32 View
2001-08-31 FOR Foreign Reference 16 View
2001-08-31 A.PE Preliminary Amendment 1 View
2001-08-31 CLM Claims 3 View
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Quick Facts
Patent No.
US 6,822,793
App. No.
09/944,593
Filed
2001-08-31
Granted
2004-11-23
Pub. No.
US20020024729A1
Art Unit
2872
PTA
-182 days