IP Library › Patent Application 09975394
Patent Application Utility Small
App. No. 09/975,394 · Confirmation No. 4576

ZERO VOLTAGE SWITCHING DC-DC CONVERTER

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
2005-04-14 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-10-10 TRNA Transmittal of New Application 2 View
2001-10-10 A.PE Preliminary Amendment 5 View
2001-10-10 SPEC Specification 18 View
2001-10-10 CLM Claims 9 View
2001-10-10 ABST Abstract 1 View
2001-10-10 DRW Drawings-only black and white line drawings 9 View
2001-10-10 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
09/975,394
Filed
2001-10-10
Granted
2003-08-26
Pub. No.
US20020034083A1
Art Unit
2838
PTA
-40 days