IP Library Granted Patent US 6,731,842
Granted Patent Utility
US 6,731,842 · Confirmation No. 3618

MICROBEND FUSED FIBER COUPLER METHOD AND APPARATUS

Inventor: Peter Z. Chen
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Code Description Pages PDF
2011-03-14 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2010-08-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-08-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2010-08-03 PA.. Power of Attorney 1 View
2010-08-03 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2010-08-03 C.AD Change of Address 2 View
2010-08-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
2004-03-01 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-03-01 LET. Miscellaneous Incoming Letter 4 View
2003-01-16 TRNA Transmittal of New Application 2 View
2003-01-16 A.PE Preliminary Amendment 8 View
2003-01-16 SPEC Specification 18 View
2003-01-16 CLM Claims 11 View
2003-01-16 ABST Abstract 1 View
2003-01-16 DRW Drawings-only black and white line drawings 7 View
2003-01-16 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,731,842
App. No.
10/345,770
Filed
2003-01-16
Granted
2004-05-04
Pub. No.
US20030138212A1
Art Unit
2872
PTA
-61 days