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App. No. 09/683,060 · Confirmation No. 7328

METHOD AND SYSTEM FOR DETECTING A NEGATIVE SEQUENCE FOR THREE PHASE GRID-CONNECTED INVERTER SYSTEMS

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2001-11-14 TRNA Transmittal of New Application 9 View
2001-11-14 ADS Application Data Sheet 2 View
2001-11-14 SPEC Specification 8 View
2001-11-14 CLM Claims 4 View
2001-11-14 ABST Abstract 2 View
2001-11-14 DRW Drawings-only black and white line drawings 6 View
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Quick Facts
App. No.
09/683,060
Filed
2001-11-14
Granted
2003-06-24
Pub. No.
US20020044464A1
Examiner
VU, BAO Q
Art Unit
2838
PTA
-30 days