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App. No. 10/134,209 · Confirmation No. 6430

METHODS OF MANUFACTURING TRENCH-GATE SEMICONDUCTOR DEVICES HAVING A CHANNEL-ACCOMMODATING REGION

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-09-22 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-04-26 TRNA Transmittal of New Application 2 View
2002-04-26 A.PE Preliminary Amendment 10 View
2002-04-26 SPEC Specification 22 View
2002-04-26 CLM Claims 5 View
2002-04-26 ABST Abstract 1 View
2002-04-26 DRW Drawings-only black and white line drawings 12 View
2002-04-26 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
10/134,209
Filed
2002-04-26
Granted
2003-12-09
Pub. No.
US20020160557A1
Art Unit
2814
PTA
-1 days