IP Library Granted Patent US 6,678,080
Granted Patent Utility
US 6,678,080 · Confirmation No. 2023

OPTICAL ADD/DROP MULTIPLEXER

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Code Description Pages PDF
2022-05-09 OATH Oath or Declaration filed 22 View
2022-02-16 OATH Oath or Declaration filed 21 View
2021-07-26 OATH Oath or Declaration filed 22 View
2021-02-04 OATH Oath or Declaration filed 21 View
2020-11-25 C.AD Change of Address 2 View
2020-11-25 N417 Electronic Filing System Acknowledgment Receipt 2 View
2020-11-05 OATH Oath or Declaration filed 21 View
2003-10-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-01-14 TRNA Transmittal of New Application 3 View
2002-01-14 DRW Drawings-only black and white line drawings 10 View
2002-01-14 OATH Oath or Declaration filed 3 View
2001-08-07 TRNA Transmittal of New Application 2 View
2001-08-07 A.PE Preliminary Amendment 5 View
2001-08-07 SPEC Specification 20 View
2001-08-07 CLM Claims 2 View
2001-08-07 ABST Abstract 1 View
2001-08-07 DRW Drawings-only black and white line drawings 10 View
2001-08-07 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,678,080
App. No.
09/923,845
Filed
2001-08-07
Granted
2004-01-13
Pub. No.
US20020071156A1
Art Unit
2633
PTA
-169 days