IP Library › Granted Patent US 6,563,981
Granted Patent Utility Small
US 6,563,981 · Confirmation No. 2769

ELECTROMAGNETIC MODE CONVERSION IN PHOTONIC CRYSTAL MULTIMODE WAVEGUIDES

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 Code Description Pages PDF
2017-06-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-06-29 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-06-27 PA.. Power of Attorney 2 View
2017-06-27 N417 Electronic Filing System Acknowledgment Receipt 2 View
2017-06-27 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2013-05-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-05-13 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2013-04-30 LET. Miscellaneous Incoming Letter 2 View
2013-04-30 N417 Electronic Filing System Acknowledgment Receipt 2 View
2013-04-30 PA.. Power of Attorney 2 View
2005-02-01 COCIN Request for Certificate of Correction 4 View
2002-01-31 TRNA Transmittal of New Application 3 View
2002-01-31 SPEC Specification 40 View
2002-01-31 CLM Claims 13 View
2002-01-31 ABST Abstract 1 View
2002-01-31 DRW Drawings-only black and white line drawings 11 View
2002-01-31 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,563,981
App. No.
10/066,234
Filed
2002-01-31
Granted
2003-05-13
Pub. No.
US20030031407A1
Art Unit
2874
PTA
-61 days