IP Library Patent Application 60921220
Patent Application Provisional
App. No. 60/921,220 · Confirmation No. 7522

Primary only constant voltage/constant current (CVCC) control in quasi resonant convertor

Provisional Application Expired
⬇ PDF
Code Description Pages PDF
2008-05-16 APP.FILE.REC Filing Receipt 3 View
2008-04-28 PET.STATUS Petition for review/processing depending on status 4 View
2007-04-26 APP.FILE.REC Filing Receipt 3 View
2007-03-29 TRNA Transmittal of New Application 1 View
2007-03-29 SPEC Specification 49 View
2007-03-29 WFEE Fee Worksheet (SB06) 1 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
App. No.
60/921,220
Filed
2007-03-29