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App. No. 10/022,117 · Confirmation No. 2489

SYMMETRICAL DC/DC CONVERTER

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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2005-04-27 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2005-04-25 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-07-30 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-12-04 TRNA Transmittal of New Application 1 View
2001-12-04 A.PE Preliminary Amendment 7 View
2001-12-04 SPEC Specification 14 View
2001-12-04 CLM Claims 4 View
2001-12-04 ABST Abstract 1 View
2001-12-04 DRW Drawings-only black and white line drawings 8 View
2001-12-04 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
10/022,117
Filed
2001-12-04
Granted
2003-10-21
Pub. No.
US20020101745A1
Art Unit
2839
PTA
-33 days