IP Library › Patent Application 61555225
Patent Application Provisional
App. No. 61/555,225 · Confirmation No. 1096

METHOD AND APPARATUS FOR DETECTING A ZERO VOLTAGE CONDITION ACROSS FOUR QUADRANT SWITCHES

Provisional Application Expired
⬇ PDF
 Code Description Pages PDF
2011-11-29 APP.FILE.REC Filing Receipt 3 View
2011-11-22 PEFR Applicant Response to Pre-Exam Formalities Notice 2 View
2011-11-22 WFEE Fee Worksheet (SB06) 2 View
2011-11-22 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-11-16 APP.FILE.REC Filing Receipt 3 View
2011-11-16 NTC.MISS.PRT Notice to File Missing Parts 2 View
2011-11-04 WFEE Fee Worksheet (SB06) 2 View
2011-11-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-11-03 TR.PROV Provisional Cover Sheet (SB16) 3 View
2011-11-03 SPEC Specification 8 View
2011-11-03 DRW Drawings-only black and white line drawings 2 View
2011-11-03 ADS Application Data Sheet 4 View
2011-11-03 WFEE Fee Worksheet (SB06) 2 View
2011-11-03 N417 Electronic Filing System Acknowledgment Receipt 2 View
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Quick Facts
App. No.
61/555,225
Filed
2011-11-03