IP Library Patent Application 09794837
Patent Application Utility
App. No. 09/794,837 · Confirmation No. 5023

METHOD AND APPARATUS TO MEASURE GAIN SPECTRA OF ERBIUM DOPED FIBER AMPLIFIER

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Code Description Pages PDF
2004-03-23 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-03-23 LET. Miscellaneous Incoming Letter 3 View
2004-03-23 DRW Drawings-only black and white line drawings 7 View
2001-02-27 TRNA Transmittal of New Application 1 View
2001-02-27 SPEC Specification 11 View
2001-02-27 CLM Claims 4 View
2001-02-27 ABST Abstract 1 View
2001-02-27 DRW Drawings-only black and white line drawings 8 View
2001-02-27 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/794,837
Filed
2001-02-27
Granted
2004-05-04
Pub. No.
US20020118440A1
Examiner
NGUYEN, TU T
Art Unit
2877
PTA
-126 days