IP Library › Granted Patent US 6,647,182
Granted Patent Utility
US 6,647,182 · Confirmation No. 4506

ECHELLE GRATING DENSE WAVELENGTH DIVISION MULTIPLEXER/DEMULTIPLEXER

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2018-12-03 IMIS Miscellaneous Internal Document 2 View
2003-09-08 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-09-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-09-08 LET. Miscellaneous Incoming Letter 1 View
2003-06-16 NOA Notice of Allowance and Fees Due (PTOL-85) 5 View
2003-05-19 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-05-19 DIST Terminal Disclaimer Filed 1 View
2003-04-17 CTNF Non-Final Rejection 5 View
2003-03-20 A... Amendment/Request for Reconsideration-After Non-Final Rejection 1 View
2003-03-20 DIST Terminal Disclaimer Filed 1 View
2002-12-18 CTNF Non-Final Rejection 6 View
2002-12-18 892 List of references cited by examiner 1 View
2002-12-18 1449 List of References cited by applicant and considered by examiner 3 View
2002-12-13 SRNT Examiner's search strategy and results 2 View
2002-07-19 TRAN.LET Transmittal Letter 2 View
2002-07-19 FOR Foreign Reference 9 View
2002-07-19 FOR Foreign Reference 29 View
2002-07-19 FOR Foreign Reference 32 View
2002-07-19 FOR Foreign Reference 41 View
2002-07-19 FOR Foreign Reference 58 View
2002-07-19 FOR Foreign Reference 66 View
2002-06-25 PEFR Applicant Response to Pre-Exam Formalities Notice 2 View
2002-06-25 LET. Miscellaneous Incoming Letter 2 View
2002-06-25 OATH Oath or Declaration filed 2 View
2002-05-06 PEFN Pre-Exam Formalities Notice 2 View
2002-04-12 TRNA Transmittal of New Application 1 View
2002-04-12 ADS Application Data Sheet 3 View
2002-04-12 SPEC Specification 23 View
2002-04-12 CLM Claims 6 View
2002-04-12 ABST Abstract 1 View
2002-04-12 DRW Drawings-only black and white line drawings 11 View
2002-04-12 LET. Miscellaneous Incoming Letter 1 View
2002-04-12 TRNA Transmittal of New Application 1 View
2002-04-12 DRW Drawings-only black and white line drawings 11 View
2002-04-12 SPEC Specification 25 View
2002-04-12 CLM Claims 4 View
2002-04-12 ABST Abstract 1 View
2002-04-12 BIB Bibliographic Data Sheet 1 View
2002-04-12 WFEE Fee Worksheet (SB06) 1 View
2002-04-12 WCLM Claims Worksheet (PTO-2022) 1 View
2002-04-12 ADS Application Data Sheet 3 View
2002-04-12 IIFW Issue Information including classification, examiner, name, claim, renumbering, etc. 2 View
2002-04-12 SRFW Search information including classification, databases and other search related notes 1 View
2002-04-12 FWCLM Index of Claims 1 View
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Quick Facts
Patent No.
US 6,647,182
App. No.
10/121,956
Filed
2002-04-12
Granted
2003-11-11
Pub. No.
US20030026541A1
Art Unit
2874
PTA
-10 days