IP Library Granted Patent US 6,678,446
Granted Patent Utility
US 6,678,446 · Confirmation No. 2586

MULTI-BAND ARRAYED WAVEGUIDE GRATING

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Code Description Pages PDF
2003-11-06 IFEE Issue Fee Payment (PTO-85B) 2 View
2001-10-03 TRNA Transmittal of New Application 3 View
2001-10-03 SPEC Specification 31 View
2001-10-03 CLM Claims 13 View
2001-10-03 ABST Abstract 1 View
2001-10-03 DRW Drawings-only black and white line drawings 8 View
2001-10-03 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,678,446
App. No.
09/970,207
Filed
2001-10-03
Granted
2004-01-13
Art Unit
2874
PTA
-34 days