IP Library › Patent Application 09980028
Patent Application Utility PCT National Stage
App. No. 09/980,028 · Confirmation No. 3025

ZERO-VOLTAGE-SWITCH SNUBBER CIRCUIT

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2002-03-26 TRNA Transmittal of New Application 2 View
2002-03-26 A.PE Preliminary Amendment 12 View
2002-03-26 SPEC Specification 14 View
2002-03-26 CLM Claims 3 View
2002-03-26 DRW Drawings-only black and white line drawings 6 View
2002-03-26 OATH Oath or Declaration filed 3 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.
09/980,028
Filed
2002-03-26
Effective Filing
2001-11-26
Granted
2003-02-11
Pub. No.
US20020118003A1
Art Unit
2838
PTA
-92 days