IP Library › Granted Patent US 6,634,808
Granted Patent Utility
US 6,634,808 · Confirmation No. 1624

METHOD FOR TRANSMITTING AT LEAST ONE FIRST AND ONE SECOND DATA SIGNAL IN POLARIZATION DIVISION MULTIPLEX IN AN OPTICAL TRANSMISSION SYSTEM

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2014-04-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-04-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-03-28 PA.. Power of Attorney 1 View
2014-03-28 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2014-03-28 N417 Electronic Filing System Acknowledgment Receipt 2 View
2003-08-25 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-25 LET. Miscellaneous Incoming Letter 3 View
2003-08-25 DRW Drawings-only black and white line drawings 2 View
2002-09-30 TRNA Transmittal of New Application 2 View
2002-09-30 SPEC Specification 10 View
2002-09-30 CLM Claims 3 View
2002-09-30 ABST Abstract 1 View
2002-09-30 DRW Drawings-only black and white line drawings 2 View
2002-09-30 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,634,808
App. No.
10/262,331
Filed
2002-09-30
Granted
2003-10-21
Pub. No.
US20030090760A1
Art Unit
2633
PTA
-5 days