IP Library › Granted Patent US 6,738,557
Granted Patent Utility
US 6,738,557 · Confirmation No. 6829

OPTICAL ATTENUATOR HAVING HIGH RETURN LOSS

Inventor: Yao-Hao Chang
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2004-03-29 LET. Miscellaneous Incoming Letter 1 View
2004-03-29 DRW Drawings-only black and white line drawings 8 View
2004-03-29 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-12-24 NOA Notice of Allowance and Fees Due (PTOL-85) 3 View
2003-12-24 NOA Notice of Allowance and Fees Due (PTOL-85) 1 View
2003-12-24 892 List of references cited by examiner 2 View
2003-12-24 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2003-12-24 SRFW Search information including classification, databases and other search related notes 1 View
2003-12-05 A.NE Response After Final Action 2 View
2003-12-05 CLM Claims 5 View
2003-12-05 REM Applicant Arguments/Remarks Made in an Amendment 2 View
2003-10-20 CTFR Final Rejection 9 View
2003-10-20 892 List of references cited by examiner 1 View
2003-10-20 FOR Foreign Reference 4 View
2003-10-20 FOR Foreign Reference 6 View
2003-08-08 A... Amendment/Request for Reconsideration-After Non-Final Rejection 3 View
2003-08-08 CLM Claims 5 View
2003-08-08 SPEC Specification 1 View
2003-08-08 REM Applicant Arguments/Remarks Made in an Amendment 4 View
2003-08-08 DRW Drawings-only black and white line drawings 4 View
2003-05-09 CTNF Non-Final Rejection 7 View
2003-05-09 892 List of references cited by examiner 1 View
2003-05-09 FOR Foreign Reference 9 View
2003-05-09 FOR Foreign Reference 4 View
2003-05-09 FOR Foreign Reference 4 View
2003-05-09 FOR Foreign Reference 6 View
2003-05-09 FOR Foreign Reference 4 View
2002-03-04 TRNA Transmittal of New Application 2 View
2002-03-04 SPEC Specification 8 View
2002-03-04 CLM Claims 4 View
2002-03-04 ABST Abstract 1 View
2002-03-04 DRW Drawings-only black and white line drawings 8 View
2002-03-04 OATH Oath or Declaration filed 3 View
2002-03-04 TRNA Transmittal of New Application 2 View
2002-03-04 DRW Drawings-only black and white line drawings 8 View
2002-03-04 SPEC Specification 8 View
2002-03-04 CLM Claims 4 View
2002-03-04 ABST Abstract 1 View
2002-03-04 OATH Oath or Declaration filed 3 View
2002-03-04 WFEE Fee Worksheet (SB06) 1 View
2002-03-04 WFEE Fee Worksheet (SB06) 1 View
2002-03-04 WCLM Claims Worksheet (PTO-2022) 1 View
2002-03-04 FWCLM Index of Claims 1 View
2002-03-04 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 1 View
2002-03-04 SRFW Search information including classification, databases and other search related notes 1 View
2002-03-04 FRPR Certified Copy of Foreign Priority Application 22 View
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Quick Facts
Patent No.
US 6,738,557
App. No.
10/091,771
Filed
2002-03-04
Granted
2004-05-18
Pub. No.
US20030095779A1
Art Unit
2874
PTA
-51 days