IP Library › Granted Patent US 6,678,440
Granted Patent Utility Small
US 6,678,440 · Confirmation No. 4258

OPTIC FIBRE MULTIPLEXER-DEMULTIPLEXER WITH FLATTENED RESPONSE

Inventor: Philippe Martin
Patented Case View Patent ↗ View Publication ↗
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2018-10-04 OATH Oath or Declaration filed 8 View
2005-07-26 COCOUT Certificate of Correction - Post Issue Communication 1 View
2003-11-20 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-07-26 TRNA Transmittal of New Application 1 View
2001-07-26 A.PE Preliminary Amendment 4 View
2001-07-26 SPEC Specification 6 View
2001-07-26 CLM Claims 1 View
2001-07-26 ABST Abstract 1 View
2001-07-26 DRW Drawings-only black and white line drawings 3 View
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Quick Facts
Patent No.
US 6,678,440
App. No.
09/912,423
Filed
2001-07-26
Granted
2004-01-13
Pub. No.
US20020064332A1
Art Unit
2872
PTA
-100 days