IP Library › Granted Patent US 6,621,959
Granted Patent Utility
US 6,621,959 · Confirmation No. 8224

PLANAR WAVEGUIDE DIFFRACTIVE BEAM SPLITTER/COUPLER

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 Code Description Pages PDF
2011-04-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-04-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-04-06 C.AD Change of Address 2 View
2011-04-06 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-04-05 PA.. Power of Attorney 2 View
2011-04-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2011-04-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-03-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-03-11 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-03-05 PA.. Power of Attorney 1 View
2009-03-05 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-03-05 C.AD Change of Address 1 View
2009-03-05 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-07-18 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-11-27 TRNA Transmittal of New Application 3 View
2001-11-27 SPEC Specification 6 View
2001-11-27 CLM Claims 2 View
2001-11-27 ABST Abstract 1 View
2001-11-27 DRW Drawings-only black and white line drawings 9 View
2001-11-27 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,621,959
App. No.
09/993,637
Filed
2001-11-27
Granted
2003-09-16
Pub. No.
US20030002792A1
Art Unit
2872
PTA
-1 days