IP Library › Granted Patent US 6,603,893
Granted Patent Utility
US 6,603,893 · Confirmation No. 2659

METHOD AND APPARATUS FOR SWITCHING AN OPTICAL BEAM IN A SEMICONDUCTOR SUBSTRATE

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 Code Description Pages PDF
2009-04-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-04-17 PA.. Power of Attorney 2 View
2009-04-17 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-07-26 TRNA Transmittal of New Application 1 View
2001-07-26 DRW Drawings-only black and white line drawings 6 View
2001-03-27 TRNA Transmittal of New Application 4 View
2001-03-27 SPEC Specification 18 View
2001-03-27 CLM Claims 9 View
2001-03-27 ABST Abstract 1 View
2001-03-27 DRW Drawings-only black and white line drawings 6 View
2001-03-27 OATH Oath or Declaration filed 6 View
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Quick Facts
Patent No.
US 6,603,893
App. No.
09/819,160
Filed
2001-03-27
Granted
2003-08-05
Art Unit
2882
PTA
-100 days