IP Library › Patent Application 13642749
Patent Application Utility PCT National Stage
App. No. 13/642,749 · Confirmation No. 6213

DUTY RATIO/VOLTAGE CONVERSION CIRCUIT

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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Quick Facts
App. No.
13/642,749
Filed
2012-10-22
Granted
2014-02-18
Pub. No.
US20130057244A1
Art Unit
2838
PTA
0 days