IP Library › Patent Application 61325690
Patent Application Provisional
App. No. 61/325,690 · Confirmation No. 4538

SWITCHING SCHEME FOR STEP UP-STEP DOWN CONVERTERS USING FIXED FREQUENCY CURRENT-MODE CONTROL

Provisional Application Expired
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 Code Description Pages PDF
2014-05-05 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2010-04-29 APP.FILE.REC Filing Receipt 3 View
2010-04-19 SPEC Specification 10 View
2010-04-19 TR.PROV Provisional Cover Sheet (SB16) 3 View
2010-04-19 WFEE Fee Worksheet (SB06) 2 View
2010-04-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
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Quick Facts
App. No.
61/325,690
Filed
2010-04-19